There is a new expert survey out which, amongst other things, queries the world’s top psychometrics experts on the future of the FLynn effect (Flynn + Lynn – clever).
James Thompson has a summary at his column.
The two most important reasons for the end of the FLynn effect in the West are regarded to be “low intelligent more children” (henceforth, “dysgenics“) and migration.
Here is my take (assuming no human genetic editing, neural augs, etc).
East Asia – +0. Have no idea where the high end estimates come from – Japan and Korea are already fully developed and have maxed out their FLynn potential, while China’s indicators on education, nutrition, and social well-being – as is typical in Communist countries – are considerably ahead of its GDP per capita. And the former are more important for IQ than pure wealth. I suspect any further marginal FLynn gains will be canceled out by dysgenics, which have been acting on China since the 1960s (Wang et al., 2016).
India – +10. Currently around 80 according to both IQ tests and PISA. I suspect India’s average genotypic IQ is ~95, though strongly differentiated by caste. However, the dysgenics trend seems to be strong, acting via both region (dirt poor and highly illiterate Bihar is the most fertile, while Kerala with its competent governance and historical achievements in mathematics is the least fertile) and caste (scheduled castes have highest fertility, while the Brahmin share of the population is declining since at least the 1930s).
Africa – +10. Currently around 70-75, suspect it “should be” 85-90, but doubt Africa will actually develop enough socio-economically to fully max out its potential FLynn effect.
Latin America – -3. Few of these countries can be described as truly Third World, especially the more significant ones, and nutrition is quite adequate (e.g. Brazil consumes as much meat per capita as Germany). As such, I suspect most of its FLynn gains have already been actualized! Meanwhile, dysgenic trends amongst the elites are strong, while the lower IQ, more indigenous underclass continues to expand rapidly.
Arab/Muslim countries – -3. A lot really depends on whether they start to seriously clamp down on first cousin marriages, which could raise IQs by as much as 10 points. A few like Tajikistan are taking this seriously, but most are not, and first cousin marriages remain stubbornly high. As such, Arab and Muslim IQs will probably decline due to dysgenics and brain drain arising from future geopolitical convulsions (according to some calculations, solar is already reaching cost parity with fossil fuels; what happens when countries like Saudi Arabia lose their oil rents?).
Australia – +0. Agree with the FLynn experts – any modest dysgenics are cancelled out by their cognitively elitist immigration policy.
Eastern Europe – -3. Less likely to be inundated with Third World immigrants, at least so long as Germany doesn’t become a total dump, but East-Central Europe has already maxed out Flynn, continues to experience brain drain, and Hungary, Romania, and Bulgaria in particular have a Gypsy problem. Russia and Ukraine might gain a couple of points if, as expected, their Soviet-legacy alcoholization epidemics continue to recede; but Russia, in particular, has immigration issues of its own (Central Asia = Mexico), while Ukraine is bleeding out brains and will in all likelihood long continue to do so. Finally, as in Western Europe, fertility patterns are dysgenic in all these countries.
Israel – -5. Will probably plummet as duller nationalists and the religious continue outbreeding seculars, plus brain drain.
Canada – -3. Cognitively elite immigration policy like Australia, but annul their own efforts by importing Somali refugees.
Scandinavia – -4. Sweden Yes!
West-Middle Europe – -4. Strong dysgenics, and huge IQ hit from immigration, but at least for now gets many of the more intelligent Mediterranean Europeans.
West in general – -4.
Southern Europe – -6. Triple whammy from Third World immigration, brain drain to northern Europe, and possibly the most strongly dysgenic fertility patterns in the world.
USA – -3. Latin America will of course continue exerting downwards pressure, but dysgenics amongst White Americans is relatively mild, it attracts the world’s cognitive crème de la crème, the Hispanic baby boom has subsided following the Great Recession, and Trump is promising a Big Beautiful Wall. So I am considerably more optimistic about the US than most. Furthermore, if Europe truly goes belly up, the US may even get a big cognitive boost from the richer Europeans fleeing the fruits of their earlier political choices.
As a cautious optimist I would say that it on the one hand will lead to a collapse of the current order and lead to massive losses in living standards in the most oil dependent countries. However, and this is more important, there also lies a chance in it. The end of oil could force the people in these countries to rethink their traditions and scrap them partially due to economic pressure. the Muslim world currently has the lowest female labor force participation rates, which keeps both fertility high and cousin marriage prevalent. Once they will be forced to actually work for their life instead of being pampered by oil, more females will have to work, which will change the whole game. Probably that shock will be so severe, that fertility in the currently most backward islamic countries will drop to extremely low levels.
India is much more dysgenic than you think. Remember the saying that the richest most educated Muslim district in the country (in Kerala) has higher tfr than Poorest Hindu one in Bihar।।
It will lead to civil war.
“I suspect India’s average genotypic IQ is ~95, though strongly differentiated by caste.”
Jason Malloy thinks the evidence is against this:
“the general picture is pretty clear: researchers rarely find large caste difference in IQ in India, and ‘ethnic’ subpopulations in India almost never exhibit IQ scores typical for Western Europe. So ubiquitous HBDer assertions about Subcontinental intellectual heterogeneity and Brahmin supremacy are… problematic.”
https://westhunt.wordpress.com/2016/07/09/our-dumb-world/#comment-81756
This remains a puzzle.
Thanks, I was aware of that comment.
Although Jason Malloy is a big authority, this claim does go against a lot of what we thought we think we knew about India (though India does seem to have a habit of inverting a lot of what we might call HBD “conventional wisdom”). Still, we can only put a limited weight on a couple of comments on a blog, since we don’t know the specific details (sample size, representation, etc) of the studies Malloy looked at.
“Once they will be forced to actually work for their life instead of being pampered by oil, more females will have to work, which will change the whole game. ”
I’m going to try to keep this short (because drive by posters on this site are a wordy lot).
But I don’t think this is going to be possible. Technology has changed a lot. Germany has higher wages than most of the Eurozone, and is the manufacturing center of the EU (such that is, compared to China, Korea, and Japan which German industry is protected from while getting to feast on the Greeks and Portugese).
How exactly would middle easterners be competitive in the world labor market? I think rather they would find that no one wants that product at any price.
Frankly I don’t know what they do in the long run. Agriculture really isn’t an option. I’m fairly certain they aren’t going to be a manufacturing center. What services could they sell?
Tourism… uh I’m thinking this one is a no go. Yeah, yeah, pyramids got it. But I think Islam means no middle eastern nation sans Israel ever makes tourism a revenue center a la Paris and London. Hmmm you know regarding those cities…
2017 – California National merit, top 0.5% of high school students – 140 IQ ?
Chinese 850, Korean 100, Vietnamese 70, Japanese 30 ; Jews = 125 ; Muslim = 55 ;
Indians 275, ( 0 dalits )
–
Bengali speakers, 12 brahmins, 6 kayasth ( scribe ), Total 18 ;
Gujurati speakers, 3 brahmins, 14 Jain ( merchants ), 6 Hindu merchants, 1 low caste peasant, 4 Patels , Total 28 ;
Hindi speakers – 14 brahmins, 2 kayasth ( scribe ), 1 low caste peasant , 20 merchants, 9 Rajputs ( nobles ), Total 46 ;
Kannada speakers – 14 brahmins, 4 dravidian upper caste landlords , Total 18 ;
Malayalam speakers – 1 brahmin, 6 Nair ( upper caste dravidian landlords, matriarchy – women impregnated by brahmins for 1000 years ) total 7 ;
Marathi speakers – 18 brahmins, 2 kayasth (scribe ), 2 Maratha landlords, total 22 ;
Punjabi speakers – 3 Jat Sikhs, 17 merchants, total 20
Sindhi speakers – 6 merchants
Tamil speakers – 44 brahmins, 20 upper caste dravidian landlords, Total 64 ;
Telugu speakers – 16 brahmins, 38 upper caste dravidian landlords, Total 54
Only the German motor trade is protected. Non food, non motorcar tariffs in the EU are well below the WTO averages, usually zero. (Which leaves the UK Brexit negotiators a rather tough job getting better trade deals and still protect the landed gentry – which will happen).
Flynn effect will kick in big time once the Arab women have to go to work.
At utility scale, in sunny countries where the peak load coincides with day time air conditioner demand and desert land is cheap, solar is already economic. Big contracts have been awarded in Saudi Arabia and Kuwait.
It is also more economic for village electrification in backwaters like Zambia where a diesel generator for a village is prohibitive but a solar panel for a household lead acid battery and phone charging is not.
Already, the main cost of a domestic scale solar installation in US/EU is installation, not the solar panel. Domestic is still not a good deal even in these circumstances so unless and until really cheap domestic scale electrical storage arrives (I will be long dead), domestic solar is not a runner. Utility solar on the other hand will slowly creep out from under the desert sun. Nukes will do the heavy lifting though.
Mr. Rec1men, changing the subject, Lippa et al’s study, “Sex differences in mental rotation and line angle judgments are positively associated with gender equality and economic development across 53 nations”, indicates that Indians have the lowest score in the Visual-spatial ability worldwide. It seems to me that the Indians, even those of the high castes, are like the Jews, excellent for serial memorization and verbal-abstract reasoning and bad in visual spatial reasoning. This is in line with the Talent project, which in the 1960s indicated that Americans of northern European ancestry have the best scores on visual-spatial tests, better than the East Asians. It is also in line with the Wais III standardization, where Finns have better scores on the Block-Design subtest than the Americans, but have lower scores on other sub-tests. It is in line with popular knowledge that northern Europeans and East Asians are better engineers, while Jews and Indians excel at abstract math. On the Johnson and Bouchard scale, do you think Indians are more verbal than rotational (more feminine)?
Nutrition in China has only approached first world levels in the last 15 years. Yes, there are still starving children in China, but their numbers are diminishing quickly. This fact plus the heavy male/female gender imbalance in China will mean females will only procreate with the higher IQ Chinese males (this effect has always been present in East Asia, but it will now be on steroids going forward). You won’t see China’s true IQ potential for another 25 to 40 years. Then yes, it will be maxed out. China +4 (IMHO).
“Meanwhile, dysgenic trends amongst the elites are strong, while the lower IQ, more indigenous underclass continues to expand rapid”
does it? Indigenous people have a high TFR in Brazil, yet they make only a small share of the population. All in all the continent seems to be safe in the hands of whites and blacks
So feminine they resisted conversion while the entire Indo European world fell.
Pertinent questions though, with the world’s highest child malnutrition rate, we might see huge gains going forward.
Also common experience, anecdotal evidence & genetic selection would always give a Brahmin higher iq than agricultural labor. Former needs it, latter does not.
In something like physical strength though,
At same time due to Brahmin traditionally being mendicants who knows?
Cousin marriage is not uncommon (including many non-Muslim cultures in) SS Africa—1st link—(and parts of non-Muslim India/South Asia), though it varies greatly in prevalence.
Even in cultures with (close) cousin marriage taboos, if communities are small, inbreedin (and thus some inbreeding effects) can (will) occur (and disfavorable recessive traits accumulate) over time. Though (as I understand) much of this does not take long to reverse when more heterogenous unions (within the ethnic group) prevail—To some degree, a trend (toward less inbreeding) also happened in much of Europe and Asia between arround the mid 19-mid 20th centeries.
Though in much of Muslim West Asia (inbreeding) may indeed be (seemingly is) more intense than most other places.
https://hbdchick.files.wordpress.com/2014/05/cousin-marriage-in-africa-table1.jpg
A rough map (though with not much info./detail re: Africa, S. E Asian or Latin America) below
https://www.reddit.com/r/MapPorn/comments/367q2h/map_of_cousin_marriage_percentage_by_country_863/?st=ixgkccmn&sh=1175a1a0
Many of the Western Sahelian/Savannah groups that practice cousin marriage are non-Muslim/mostly so (though that region has more Muslims than some of the other regions listed) e.g.: the Senufo, Diula/Jula, and Wodaabe (most-many) Bambara, Serer, Lobi and Birifor of North Ghana are all non-Muslim (The rest of the Ghanaian groups of course, especially being southern, are also non-Muslim.). Many of the the Muslim groups still contain pagan/only partly-Islamised elements/segments. Some, now mostly-Muslim groups (like the Wolof), have not been Muslim for very long.
Inbreeding rates likely vary greatly in India (both due to religion and ethnic culture—and isolation/population size, etc). I would guess the same is true of the native cultures of latin America for instance. From what I’ve read, traditionally, inbreeding is not usually too intense in Hindu regions, but marriages are strictly within caste.
But of course overall, the problem seems the greatest in Muslim west Asia.
Edits:
“Even in cultures with (close) cousin marriage taboos (those without x’s under “cousin marriage”), if communities are small…”
“…a trend…also happened in parts of Europe and E. Asia between arround the mid 19-mid 20th centeries—though as many may know, cousin marriage was usually never as common (or had not been for a very long time) in those places ( as it is in the Near East today)”
I own a 5k solar rooftop system in one of the best solar energy locations in North America. Despite that, it would not be an economic capital investment without the massive subsidies and tax credits I received from various governments. Some studies show that solar systems do not even repay the energy cost of building and installing them: they certainly do not come close to the 12-1 ratio necessary to maintain modern civilization.
Empty speculation, absolutely no factual data.
(1) Why Right Wing Israeli and Religious Jews are supposedly dumber than the rest? Two – three generations ago we all were Haredim, even the grandparents of the extreme left. Everybody has a cousin who is religious and the groups are not impermeable. Haredim spend their lives studying abstruse texts, the great intellects among them are invisible for the outside world. True, the Ethiopian immigration reduced the average, but in a heterogeneous society like Israel the average mean little.
(2) Africans have a large potential. They survive at famine level and the successful practice polygamy – an eugenic situation.
(3) Brazil. The quality of its population has been improving in the last hundred years and it has not stopped.
You overestimate Indian IQ by a huge margin, none of those Oversea Indian groups are even middle class inside India, they are way above average inside India. Your average Indians are simply too poor to move out of India in the first place. Consider 1)the current literacy rate of India is only 74.04%. 2) the current mean years of schooling of Indian is only 4.4 years!!! A college educated Indian is not not simply an elite in India, they are super-duper elite.
I believe 6% of India is of the Brahmin or Merchant caste or of the two smart religious minorities (Jains and Parsis). These groups contribute so much to corporate business in India that I have to imagine their geno IQ is over 100 while that of the rest of the population is substantially below 100.
To fairly represent Indian IQ potential, I think there needs to be separate numbers for these groups.
I don’t really agree with you that India scores 80 IQ on IQ testing.
Presently the IQ of India is close to 93. I will show you IQ data.
IQ of Chennai, Tamil Nadu:-
Study 1:-
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3018494/
IQ of 107 as a community sample. 4 zones in Chennai and 12 schools were selected randomly. Sample size of 717. 606 children belonged to families with less than 6500 INR monthly income. And 130 had illiterate mothers. If anything, the selection bias towards socio-economic status is downward.
Study 2:-
http://www.tandfonline.com/doi/abs/10.1179/oeh.2005.11.2.138
IQ of children was found to be 102. And 95 for those having high lead in blood level.
IQ in Chandigarh, Punjab:-
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3767262/
Average IQ is 99. 5 private schools and 5 government schools were randomly selected out of 37 schools. And sample size is 2400.
IQ in 2 rural and 2 urban areas of Punjab:-
http://www.ijres.org/papers/Volume%204/v4-i7/Version-2/G4724854.pdf
IQ in 2 rural areas is 96.2, 90.4. And 2 urban areas is 102, 106. IQ grades are available (0 to 10th percentile, etc.) and online statistical tool is required to read.
Rural areas are in Dera Bassi and Tehsil Kharar. Urban areas is in Fatehgarh Saheb. And Tehsil Kharar.
IQ of Delhi:-
Study 1:-
http://heapol.oxfordjournals.org/content/17/4/420.full.pdf+html
IQ of kids of slum dwellers in New Delhi living in plot area is 92.4. And shanty houses/homeless is 89.4.
IQ of kids who have attended schools is 96.7 (plot area) and 93.2 (shady houses)
Study 2:-
http://fluoridealert.org/wp-content/uploads/Kundu-2015.pdf
IQ of 76.2 in Najafgarh (rural area of Delhi) and 85.2 in Defense Colony (slightly urban area). Government school were selected in both areas.
76 IQ in high fluoride region and has to be taken with precaution.
Study 3:-
Cited by Lynn:-
https://lesacreduprintemps19.files.wordpress.com/2012/11/lynn-race-differences-in-intelligence.pdf
Page 60:-
Row 3 gives an IQ of 93 for 14-year-old students at St. Xavier’s School in Delhi.
Study 4:-
http://www.ruralneuropractice.com/article.asp?issn=0976-3147&year=2016&volume=7&issue=2&spage=238&epage=243&aulast=Ranjan
In the above IQ sample, average full scale IQ was found to be 90.6.
However 36/50 were from rural areas and 14/50 from urban areas.
IQ in Andhra Pradesh (rural):-
“Effect of fluoride exposure on Intelligence Quotient {IQ) among 13-15 year old school children of known endemic area of fluorosis, Nalgonda District, Andhra Pradesh.” KM Sudhir, Journal of Indian Association of Public Health Dentistry Year : 2009 | Volume : 7 | Issue : 13 | Page : 88-94
http://www.jiaphd.org/downloadpdf.asp?issn=2319-5932&year=2009&volume=7&issue=13&spage=88&epage=94&aulast=Sudhir&type=2
IQ in 4 villages in Andhra Pradesh is 88.7, 84.5, 84.5, 80.
IQ in West Bengal:-
Study 1 (rural):-
https://www.researchgate.net/publication/297722925_Dental_fluorosis_and_urinary_fluoride_concentration_as_a_reflection_of_fluoride_exposure_and_its_impact_on_IQ_level_and_BMI_of_children_of_Laxmisagar_Simlapal_Block_of_Bankura_District_WB_India?_sg=OxEw86Y9iI6rPYqTlpXNxf3sHxsD4oLarEkZXw_AKdiC1SmLw9IzIsEDusa540LU
IQ in Villages in Laxmisagar Village was 108.3 in normal regions and 85–92 in fluoride contaminated areas.
Study 2 (rural):-
https://www.researchgate.net/publication/281872250_Association_of_iodine_status_with_IQ_level_and_academic_achievement_of_rural_primary_school_children_in_West_Bengal_India?_sg=C6DW2flLBxL70uQRbTh5PevuX6aK06oaIwvFWRYRrHYOP39LDEWGNEkXL5C1W4dQ
Average IQ in 3 Government schools was 88.4
IQ of Karnataka (rural):-
http://fluoridealert.org/wp-content/uploads/eswar-2011.pdf
http://fluoridealert.org/wp-content/uploads/sebastian-2015.pdf
http://www.jisppd.com/article.asp?issn=0970-4388&year=2011&volume=29&issue=2&spage=117&epage=120&aulast=Shivaprakash
IQ of 2 villages is 86, 88.
IQ of villages near Mysore is 80, 86, 88.
IQ of village in Bagalkot is 76.36.
IQ of Scheduled tribes in sub-urbs of Karnataka:-
http://web.inflibnet.ac.in/ojs/index.php/IJFS/article/view/3461/2722
IQ of 102 with 106 IQ for healthy group.
WISC III was administered for testing.
IQ of Kolkata:-
Study 1 (Lynn’s sample):-
http://psycnet.apa.org/psycinfo/1974-10149-001
“Compared scores of 2 geographically separated Bengali-speaking groups of schoolchildren, grades IX-XI, on Raven’s Standard Progressive Matrices. 2,836 Ss from Calcutta and 2,100 Ss from Agartala were tested. Ss from Calcutta were superior to those from Agartala by an average of 7 points.”
Lynn reports this as IQ of 83. However, IQ of Calcutta was 87 and Agartala (Burmese/Tibetans/Chinese inhabited area) show IQ of 80. As shown above.
Study 2:-
http://onlinelibrary.wiley.com/doi/10.1002/ajpa.22648/full
Average IQ in 81–90 range (10th and 25th percentile for British).
57.95% undernourished kids in the sample (downward sampling of population). 21.5% kids had IQ above 120.
IQ in Uttar Pradesh:-
Study 1 (rural):
http://www.jcdr.net/article_fulltext.asp?issn=0973-709x&year=2015&month=November&volume=9&issue=11&page=ZC10&id=6726
IQ of 110 in village Tiwariganj, Lucknow and 85–92 in village, Unnao district of UP.
85-92 is in high fluoride region.
CPM scores are mentioned. And is normalized to 110 IQ at 29 mean CPM score.
Mean age of participant was 9 as mentioned in the sample.
I will use normalization data for Australia:-
http://docslide.us/download/link/a-normative-and-reliability-study-for-the-ravens-coloured-progressive-matrices
Average CPM score for kids in Australia in 2003 matched for same aged group shows 27 mean and 30 at 75 percentile. So, the data is well normalized as per Australian 2003 norms.
Study 2(urban):
http://hrcak.srce.hr/file/44025
IQ of Muslims in Aligarh city, Uttar Pradesh (Average IQ of 107)
Source: “Badaruddoza. Inbreeding effects on metrical phenotypes among North Indian Children. Collegicum Antropologicum 28(Suppl. 2): 311-318. (ISSN No. 0350-6134.”
IQ of Gujarat rural:-
http://fluoridealert.org/wp-content/uploads/trivedi-20124.pdf
http://www.fluoridealert.org/wp-content/uploads/trivedi-2007.pdf
IQ in 6 villages of Gujarat is 97 (optimum environment) and 92 (un-optimum conditions).
IQ of villages near Ahmedabad is 104.
IQ in Maharashtra (Pune):-
http://www.indianpediatrics.net/feb2004/feb-121-128.htm
86.1 for low birth weight, 92.1 for medium birth weight and 97.2 for normal birth weight.
https://www.indianpediatrics.net/july1999/july-669-676.htm
IQ of control group was 101.38. And LBW was 94.
IQ of Madhya Pradesh (rural):-
http://www.ruralneuropractice.com/article.asp?issn=0976-3147&year=2012&volume=3&issue=2&spage=144&epage=149&aulast=Saxena
IQ of villages near Bhopal is 98.5.
IQ of remaining 3 high fluoride villages in Madhya Pradesh is 83.6, 87 and 91.6.
IQ of Rajasthan (rural):-
http://fluoridealert.org/wp-content/uploads/singh-2013.pdf
IQ of villages near Jaipur is 93.31 and near Dausa is 84.48.
Study 2 (Lynn’s sample, Agarwal and Sinha 1984):-
http://link.springer.com/article/10.1007/BF01068128
IQ of Muslims in government schools near Jaipur is 81 (non-inbred).
Lynn cited this as average IQ of 78. A combination of inbred and outbred Muslims.
Muslims not practicing inbreeding show 81 IQ.
IQ of Bihar:-
Lynn’s sample:-
https://www.researchgate.net/publication/19964938_Consquences_of_consanguinity_on_cognitive_behavior
Average IQ is 93 suburbs, 79 rural.
And 79 suburbs, 69 rural for inbred muslims.
Lynn reports this as 79 average IQ. However, Muslims not practicing inbreeding show IQ of 85.
A table with details is presented below. And it contains IQ data, date of publication, norms used, test conducted, location, etc.
Many of the IQ samples have been standardized on old norms. Like IQ in Chennai is published in 2013, measured in 2005. And standardized on Binet-Kamath scale of 1967 which measures IQ with respect to British 1967 kids.
To remove bias of standardization on old norms, I present the following table:-
Where date of measurement is not given, I have used date of publication as date of measurement. One location of IQ measurement represents one row in the table below.
Flynn effect is used as 2.25 based on
http://eyeonsociety.co.uk/resources/RPMChangeAndStability.pdf
Changes of RPM scores in UK. As IQ data is on people with less than 20 years age, Figure 3 is used. IQ changed from 1938 to 1979 as “50 th percentile of 1979 was equivalent to 70 th percentile of 1938”.
Location….IQ (old norms)……Date…..Year of norm…..Diff…..Flynn …..IQ (new norms)
Punjab…….90.28……………….2016…….1979………………37…….2.25………81.955
Punjab……..96.43……………….2016…….1979………………37…….2.25………88.105
Punjab…….102.33……………..2016…….1979………………..37………2.25……..94.005
Punjab…….106.34……………..2016…….1979………………..37………2.25……..98.015
Chandigarh.99.31………………2008…….1979………………..48………2.25……..88.51
Delhi…………76.2……………….2015……..1979………………..17………2.25……..72.375
Delhi…………85.8……………….2015……..1979………………..17……….2.25……..81.975
Delhi…………92.5……………….1999………1979………………..13………2.25……..89.575
Delhi…………89.4……………….1999………1986………………..13………2.25……..86.475
Delhi…………90.4……………….2016………1969………………..47………2.25……..79.825
UP……………107.42…………….2004……..1974………………..30………2.25……..100.67
UP…………….110.1………………2015………NA………………..17………….NA……..110.1
UP……………..90………………….2015………NA………………..17………….NA……..90
Gujarat……….97.17………………2012………1989………………..23………2.25……..91.995
Gujarat……….92.53………………2012………1989………………..23………2.25……..87.355
Gujarat……….104.44…………….2007………1989………………..18………2.25……..100.39
Gujarat……….91.72……………….2007………1989………………..18………2.25……..87.67
Karnataka……88.8………………..2011………1977………………..34………2.25……..81.15
Karnataka…….86.3……………….2011………1977………………..34………2.25……..78.65
Karnataka…….86.37……………..2015………1998………………..17………2.25……..82.545
Karnataka……..88.6………………2015………1998………………..17………2.25……..84.775
Karnataka……..80.49…………….2015………1998………………..17………2.25……..76.665
Karnataka……..76………………….2011………2004………………..7……….2.25……..74.425
Karnataka……..66………………….2011………2004………………..7………..2.25……..64.425
Karnataka……..106…………………2015……..1991………………..32………2.25…….. 100.6
AP………………..88.7……………… 2009……..1992………………..17………2.25……..84.875
AP…………………84.5………………2009……..1992………………..17………2.25……..80.675
AP…………………84.5………………2009……..1992………………..17………2.25……..80.675
AP………………….80……………… 2009………1992………………..17………2.25……..76.175
MP……………….98.5………………2012………1992………………..20………2.25……..94
MP……………….91.6……………….2012……….1992………………20………2.25……..87.1
MP……………….87………………….2012………1992………………..20………2.25……..82.5
MP……………….83.6……………….2012………1992………………..20………2.25……..79.1
Rajasthan……….81………………….1984………1977………………..7………2.25……..79.425
Rajasthan……….93.3……………… 2013……… 1992 ………………..21………2.25……..88.575
Rajasthan……….84.48……………..2013………1992………………..21………2.25……..79.755
West Bengal……106………………..2015……… 1989………………..26………2.25……..100.15
West Bengal…….90…………………2015………1989………………..26………2.25……..84.15
West Bengal…….88.8………………2014………2003………………..11………2.25……..86.325
Chennai………….107………………..2006………1967………………..39………2.25……..98.225
Chennai………….102………………. 2013……….1973………………..40………2.25……..93
Pune………………97………………….2000………1973………………..27………2.25……..90.925
Pune……………….101.38……………1994……….1960………………..34………2.25……..93.73
The average IQ at 42 locations of India is 86.41 IQ. With 9/42 IQ samples done in urban areas like Chennai. Note that Delhi is considered as rural area in below calculations as IQ data used for Delhi is in slum area of Delhi, or Nazafgarh (a village outside Delhi) and a hospital where 72% admits where rural.
IQ of urban areas of India based on the IQ data available is: 93 IQ.
IQ of rural areas of India based on the IQ data available is: 85 IQ.
India is 30% urban and 70% rural.
Calculating on urban/rural divide of India, average IQ of India is 87.4 IQ.
As many of the data-set is on fluoride IQ studies on India, IQ of Fluoride free regions is also desired.
IQ of fluoride free regions of India based on IQ data available is 88.73 IQ (rural).
Studies showing mal-nourishment and IQ,
http://heapol.oxfordjournals.org/content/17/4/420.full.pdf+html
This is the only study showing mal-nourishment effects on IQ.
IQ of malnourished kids is 10 points below at 83 IQ v/s healthy kids having same socio-economic status is 93 IQ.
India faces 40% mal-nourishment. So, average IQ of 40% of India’s population is down by 10 IQ points.
Which will put average IQ of India down by 4 IQ points due to mal-nourishment.
So, a combined effect of fluoride and mal-nourishment is bringing IQ of India down by 8 IQ points.
I conclude that average IQ of India will be 95 IQ on removal of fluoride and mal-nourishment from a current estimate of 87 IQ based on rural/urban IQ analysis on India.
For any further improvements, India may have to switch to meat based diets, putting itself at par with Europe on iodine consumption status which will put India at par with Europe on average IQ (97).
IQ of India by caste:-
There is no major differences between Indian castes and IQ results.
https://books.google.co.in/books?id=9tZ4AgAAQBAJ&pg=PA16&lpg=PA16&dq=chopra+iq+difference+between+castes&source=bl&ots=mUJt4iGaiY&sig=K5__8u3gFJA4AG6yXxjnwnzm4Xk&hl=en&sa=X&ved=0ahUKEwjUm83W_MbQAhUEQI8KHW–DpEQ6AEIOjAC#v=onepage&q=chopra%20iq%20difference%20between%20castes&f=false
Page 16.
This book covers several IQ samples of India by caste.
There is no major differences between Indian castes. As per IQ tests done.
On non-verbal IQ tests (Raven’s Progressive Matrices), there are no significant differences among Indian castes.
As it is observed via IQ testing that Vaishyas have higher non-verbal IQ than Kshatriya who have higher non-verbal IQ than Brahmins followed by SCs.
Rather the difference between Vaishyas and Brahmins on non-verbal IQ tests (as per IQ research) is same as the difference between Brahmins and Scheduled Castes.
Secondly, the differences among Indian castes is estimated to be less than 3 IQ points on non-verbal IQ tests.
However on verbal IQ tests, the difference is 11 IQ points.
I don’t really agree with you that India scores 80 IQ on IQ testing.
Presently the IQ of India is close to 91. I will show you IQ data.
IQ of Chennai, Tamil Nadu:-
Study 1:-
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3018494/
IQ of 107 as a community sample. 4 zones in Chennai and 12 schools were selected randomly. Sample size of 717. 606 children belonged to families with less than 6500 INR monthly income. And 130 had illiterate mothers. If anything, the selection bias towards socio-economic status is downward.
Study 2:-
http://www.tandfonline.com/doi/abs/10.1179/oeh.2005.11.2.138
IQ of children was found to be 102. And 95 for those having high lead in blood level.
IQ in Chandigarh, Punjab:-
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3767262/
Average IQ is 99. 5 private schools and 5 government schools were randomly selected out of 37 schools. And sample size is 2400.
IQ in 2 rural and 2 urban areas of Punjab:-
http://www.ijres.org/papers/Volume%204/v4-i7/Version-2/G4724854.pdf
IQ in 2 rural areas is 96.2, 90.4. And 2 urban areas is 102, 106. IQ grades are available (0 to 10th percentile, etc.) and online statistical tool is required to read.
Rural areas are in Dera Bassi and Tehsil Kharar. Urban areas is in Fatehgarh Saheb. And Tehsil Kharar.
TBC
IQ of Delhi:-
Study 1:-
http://heapol.oxfordjournals.org/content/17/4/420.full.pdf+html
IQ of kids of slum dwellers in New Delhi living in plot area is 92.4. And shanty houses/homeless is 89.4.
IQ of kids who have attended schools is 96.7 (plot area) and 93.2 (shady houses)
Study 2:-
http://fluoridealert.org/wp-content/uploads/Kundu-2015.pdf
IQ of 76.2 in Najafgarh (rural area of Delhi) and 85.2 in Defense Colony (slightly urban area). Government school were selected in both areas.
76 IQ in high fluoride region and has to be taken with precaution.
Study 3:-
Cited by Lynn:-
https://lesacreduprintemps19.files.wordpress.com/2012/11/lynn-race-differences-in-intelligence.pdf
Page 60:-
Row 3 gives an IQ of 93 for 14-year-old students at St. Xavier’s School in Delhi.
Study 4:-
http://www.ruralneuropractice.com/article.asp?issn=0976-3147&year=2016&volume=7&issue=2&spage=238&epage=243&aulast=Ranjan
In the above IQ sample, average full scale IQ was found to be 90.6.
However 36/50 were from rural areas and 14/50 from urban areas.
IQ in Andhra Pradesh (rural):-
“Effect of fluoride exposure on Intelligence Quotient {IQ) among 13-15 year old school children of known endemic area of fluorosis, Nalgonda District, Andhra Pradesh.” KM Sudhir, Journal of Indian Association of Public Health Dentistry Year : 2009 | Volume : 7 | Issue : 13 | Page : 88-94
http://www.jiaphd.org/downloadpdf.asp?issn=2319-5932&year=2009&volume=7&issue=13&spage=88&epage=94&aulast=Sudhir&type=2
IQ in 4 villages in Andhra Pradesh is 88.7, 84.5, 84.5, 80.
TBC
IQ in West Bengal:-
Study 1 (rural):-
https://www.researchgate.net/publication/297722925_Dental_fluorosis_and_urinary_fluoride_concentration_as_a_reflection_of_fluoride_exposure_and_its_impact_on_IQ_level_and_BMI_of_children_of_Laxmisagar_Simlapal_Block_of_Bankura_District_WB_India?_sg=OxEw86Y9iI6rPYqTlpXNxf3sHxsD4oLarEkZXw_AKdiC1SmLw9IzIsEDusa540LU
IQ in Villages in Laxmisagar Village was 108.3 in normal regions and 85–92 in fluoride contaminated areas.
Study 2 (rural):-
https://www.researchgate.net/publication/281872250_Association_of_iodine_status_with_IQ_level_and_academic_achievement_of_rural_primary_school_children_in_West_Bengal_India?_sg=C6DW2flLBxL70uQRbTh5PevuX6aK06oaIwvFWRYRrHYOP39LDEWGNEkXL5C1W4dQ
Average IQ in 3 Government schools was 88.4
IQ of Karnataka (rural):-
http://fluoridealert.org/wp-content/uploads/eswar-2011.pdf
http://fluoridealert.org/wp-content/uploads/sebastian-2015.pdf
http://www.jisppd.com/article.asp?issn=0970-4388&year=2011&volume=29&issue=2&spage=117&epage=120&aulast=Shivaprakash
IQ of 2 villages is 86, 88.
IQ of villages near Mysore is 80, 86, 88.
IQ of village in Bagalkot is 76.36.
IQ of Scheduled tribes in sub-urbs of Karnataka:-
http://web.inflibnet.ac.in/ojs/index.php/IJFS/article/view/3461/2722
IQ of 102 with 106 IQ for healthy group.
WISC III was administered for testing.
TBC
IQ of Kolkata:-
Study 1 (Lynn’s sample):-
http://psycnet.apa.org/psycinfo/1974-10149-001
“Compared scores of 2 geographically separated Bengali-speaking groups of schoolchildren, grades IX-XI, on Raven’s Standard Progressive Matrices. 2,836 Ss from Calcutta and 2,100 Ss from Agartala were tested. Ss from Calcutta were superior to those from Agartala by an average of 7 points.”
Lynn reports this as IQ of 83. However, IQ of Calcutta was 87 and Agartala (Burmese/Tibetans/Chinese inhabited area) show IQ of 80. As shown above.
Study 2:-
http://onlinelibrary.wiley.com/doi/10.1002/ajpa.22648/full
Average IQ in 81–90 range (10th and 25th percentile for British).
57.95% undernourished kids in the sample (downward sampling of population). 21.5% kids had IQ above 120.
IQ in Uttar Pradesh:-
Study 1 (rural):
http://www.jcdr.net/article_fulltext.asp?issn=0973-709x&year=2015&month=November&volume=9&issue=11&page=ZC10&id=6726
IQ of 110 in village Tiwariganj, Lucknow and 85–92 in village, Unnao district of UP.
85-92 is in high fluoride region.
CPM scores are mentioned. And is normalized to 110 IQ at 29 mean CPM score.
Mean age of participant was 9 as mentioned in the sample.
I will use normalization data for Australia:-
http://docslide.us/download/link/a-normative-and-reliability-study-for-the-ravens-coloured-progressive-matrices
Average CPM score for kids in Australia in 2003 matched for same aged group shows 27 mean and 30 at 75 percentile. So, the data is well normalized as per Australian 2003 norms.
Study 2(urban):
http://hrcak.srce.hr/file/44025
IQ of Muslims in Aligarh city, Uttar Pradesh (Average IQ of 107)
Source: “Badaruddoza. Inbreeding effects on metrical phenotypes among North Indian Children. Collegicum Antropologicum 28(Suppl. 2): 311-318. (ISSN No. 0350-6134.”
TBC
IQ of Gujarat rural:-
http://fluoridealert.org/wp-content/uploads/trivedi-20124.pdf
http://www.fluoridealert.org/wp-content/uploads/trivedi-2007.pdf
IQ in 6 villages of Gujarat is 97 (optimum environment) and 92 (un-optimum conditions).
IQ of villages near Ahmedabad is 104.
IQ in Maharashtra (Pune):-
http://www.indianpediatrics.net/feb2004/feb-121-128.htm
86.1 for low birth weight, 92.1 for medium birth weight and 97.2 for normal birth weight.
https://www.indianpediatrics.net/july1999/july-669-676.htm
IQ of control group was 101.38. And LBW was 94.
IQ of Madhya Pradesh (rural):-
http://www.ruralneuropractice.com/article.asp?issn=0976-3147&year=2012&volume=3&issue=2&spage=144&epage=149&aulast=Saxena
IQ of villages near Bhopal is 98.5.
IQ of remaining 3 high fluoride villages in Madhya Pradesh is 83.6, 87 and 91.6.
IQ of Rajasthan (rural):-
http://fluoridealert.org/wp-content/uploads/singh-2013.pdf
IQ of villages near Jaipur is 93.31 and near Dausa is 84.48.
Study 2 (Lynn’s sample, Agarwal and Sinha 1984):-
http://link.springer.com/article/10.1007/BF01068128
IQ of Muslims in government schools near Jaipur is 81 (non-inbred).
Lynn cited this as average IQ of 78. A combination of inbred and outbred Muslims.
Muslims not practicing inbreeding show 81 IQ.
IQ of Bihar:-
Lynn’s sample:-
https://www.researchgate.net/publication/19964938_Consquences_of_consanguinity_on_cognitive_behavior
Average IQ is 93 suburbs, 79 rural.
And 79 suburbs, 69 rural for inbred muslims.
Lynn reports this as 79 average IQ. However, Muslims not practicing inbreeding show IQ of 85.
A table with details is presented below. And it contains IQ data, date of publication, norms used, test conducted, location, etc.
Many of the IQ samples have been standardized on old norms. Like IQ in Chennai is published in 2013, measured in 2005. And standardized on Binet-Kamath scale of 1967 which measures IQ with respect to British 1967 kids.
To remove bias of standardization on old norms, I present the following table:-
Where date of measurement is not given, I have used date of publication as date of measurement. One location of IQ measurement represents one row in the table below.
Flynn effect is used as 2.25 based on
http://eyeonsociety.co.uk/resources/RPMChangeAndStability.pdf
Changes of RPM scores in UK. As IQ data is on people with less than 20 years age, Figure 3 is used. IQ changed from 1938 to 1979 as “50 th percentile of 1979 was equivalent to 70 th percentile of 1938”.
TBC
IQ of India:-
Location….IQ (old norms)……Date…..Year of norm…..Diff…..Flynn …..IQ (new norms)
Punjab…….90.28……………….2016…….1979………………37…….2.25………81.955
Punjab……..96.43……………….2016…….1979………………37…….2.25………88.105
Punjab…….102.33……………..2016…….1979………………..37………2.25……..94.005
Punjab…….106.34……………..2016…….1979………………..37………2.25……..98.015
Chandigarh.99.31………………2008…….1979………………..48………2.25……..88.51
Delhi…………76.2……………….2015……..1979………………..17………2.25……..72.375
Delhi…………85.8……………….2015……..1979………………..17……….2.25……..81.975
Delhi…………92.5……………….1999………1979………………..13………2.25……..89.575
Delhi…………89.4……………….1999………1986………………..13………2.25……..86.475
Delhi…………90.4……………….2016………1969………………..47………2.25……..79.825
UP……………107.42…………….2004……..1974………………..30………2.25……..100.67
UP…………….110.1………………2015………NA………………..17………….NA……..110.1
UP……………..90………………….2015………NA………………..17………….NA……..90
Gujarat……….97.17………………2012………1989………………..23………2.25……..91.995
Gujarat……….92.53………………2012………1989………………..23………2.25……..87.355
Gujarat……….104.44…………….2007………1989………………..18………2.25……..100.39
Gujarat……….91.72……………….2007………1989………………..18………2.25……..87.67
Karnataka……88.8………………..2011………1977………………..34………2.25……..81.15
Karnataka…….86.3……………….2011………1977………………..34………2.25……..78.65
Karnataka…….86.37……………..2015………1998………………..17………2.25……..82.545
Karnataka……..88.6………………2015………1998………………..17………2.25……..84.775
Karnataka……..80.49…………….2015………1998………………..17………2.25……..76.665
Karnataka……..76………………….2011………2004………………..7……….2.25……..74.425
Karnataka……..66………………….2011………2004………………..7………..2.25……..64.425
Karnataka……..106…………………2015……..1991………………..32………2.25…….. 100.6
AP………………..88.7……………… 2009……..1992………………..17………2.25……..84.875
AP…………………84.5………………2009……..1992………………..17………2.25……..80.675
AP…………………84.5………………2009……..1992………………..17………2.25……..80.675
AP………………….80……………… 2009………1992………………..17………2.25……..76.175
MP……………….98.5………………2012………1992………………..20………2.25……..94
MP……………….91.6……………….2012……….1992………………20………2.25……..87.1
MP……………….87………………….2012………1992………………..20………2.25……..82.5
MP……………….83.6……………….2012………1992………………..20………2.25……..79.1
Rajasthan……….81………………….1984………1977………………..7………2.25……..79.425
Rajasthan……….93.3……………… 2013……… 1992 ………………..21………2.25……..88.575
Rajasthan……….84.48……………..2013………1992………………..21………2.25……..79.755
West Bengal……106………………..2015……… 1989………………..26………2.25……..100.15
West Bengal…….90…………………2015………1989………………..26………2.25……..84.15
West Bengal…….88.8………………2014………2003………………..11………2.25……..86.325
Chennai………….107………………..2006………1967………………..39………2.25……..98.225
Chennai………….102………………. 2013……….1973………………..40………2.25……..93
Pune………………97………………….2000………1973………………..27………2.25……..90.925
Pune……………….101.38……………1994……….1960………………..34………2.25……..93.73
The average IQ at 42 locations of India is 86.41 IQ. With 9/42 IQ samples done in urban areas like Chennai. Note that Delhi is considered as rural area in below calculations as IQ data used for Delhi is in slum area of Delhi, or Nazafgarh (a village outside Delhi) and a hospital where 72% admits where rural.
IQ of urban areas of India based on the IQ data available is: 93 IQ.
IQ of rural areas of India based on the IQ data available is: 85 IQ.
India is 30% urban and 70% rural.
Calculating on urban/rural divide of India, average IQ of India is 87.4 IQ.
As many of the data-set is on fluoride IQ studies on India, IQ of Fluoride free regions is also desired.
IQ of fluoride free regions of India based on IQ data available is 88.73 IQ (rural).
Studies showing mal-nourishment and IQ,
http://heapol.oxfordjournals.org/content/17/4/420.full.pdf+html
This is the only study showing mal-nourishment effects on IQ.
IQ of malnourished kids is 10 points below at 83 IQ v/s healthy kids having same socio-economic status is 93 IQ.
India faces 40% mal-nourishment. So, average IQ of 40% of India’s population is down by 10 IQ points.
Which will put average IQ of India down by 4 IQ points due to mal-nourishment.
So, a combined effect of fluoride and mal-nourishment is bringing IQ of India down by 8 IQ points.
I conclude that average IQ of India will be 95 IQ on removal of fluoride and mal-nourishment from a current estimate of 87 IQ based on rural/urban IQ analysis on India.
For any further improvements, India may have to switch to meat based diets, putting itself at par with Europe on iodine consumption status which will put India at par with Europe on average IQ (97).
TBC
IQ of India by caste:-
There is no major differences between Indian castes and IQ results.
https://books.google.co.in/books?id=9tZ4AgAAQBAJ&pg=PA16&lpg=PA16&dq=chopra+iq+difference+between+castes&source=bl&ots=mUJt4iGaiY&sig=K5__8u3gFJA4AG6yXxjnwnzm4Xk&hl=en&sa=X&ved=0ahUKEwjUm83W_MbQAhUEQI8KHW–DpEQ6AEIOjAC#v=onepage&q=chopra%20iq%20difference%20between%20castes&f=false
Page 16.
This book covers several IQ samples of India by caste.
There is no major differences between Indian castes. As per IQ tests done.
On non-verbal IQ tests (Raven’s Progressive Matrices), there are no significant differences among Indian castes.
As it is observed via IQ testing that Vaishyas have higher non-verbal IQ than Kshatriya who have higher non-verbal IQ than Brahmins followed by SCs.
Rather the difference between Vaishyas and Brahmins on non-verbal IQ tests (as per IQ research) is same as the difference between Brahmins and Scheduled Castes.
Secondly, the differences among Indian castes is estimated to be less than 3 IQ points on non-verbal IQ tests.
However on verbal IQ tests, the difference is 11 IQ points.
Same guy here who wrote the above text.
Some conclusions that I draw from the IQ data of India and Richard Lynn’s work on Indian states:-
https://drive.google.com/file/d/0B3c4TxciNeJZQlIxM3EwSXg4REk/view
If you read Richard Lynn’s data on Indian states. Uttar Pradesh has highest T2 score (score for 3rd grade kids in maths, closely related to IQ) for any state in India.
That’s full one standard deviation above Delhi. And 0.6 standard deviation above average Indian.
Given the fact that Orissa scored 404 on TIMSS and Rajasthan scored 382 on TIMSS 2003, I can deduce TIMSS score of Uttar Pradesh to be around 460. Which has probably risen since 2003.
In recent IQ samples on Uttar Pradesh, average IQ is around 100. With 62 pc mal-nourishment and 24% fluoride contaminated districts.
Higher average IQ of Uttar Pradesh is also visible in New Delhi (neighboring region of UP).
Homeless people in Delhi in areas near UP have higher IQ than top class families in South West Delhi (bordering Rajasthan).
This is evident from IQ samples:-
Study 1 in Nand Nagari, Delhi (region bordering Uttar Pradesh):-
http://heapol.oxfordjournals.org/content/17/4/420.full.pdf+html
IQ of kids of slum dwellers in New Delhi living in plot area is 92.4. And shanty houses/homeless is 89.4.
IQ of kids who have attended schools is 96.7 (plot area) and 93.2 (shady houses)
Study 2 (Dwarka, region bordering Rajasthan):-
Cited by Lynn:-
https://lesacreduprintemps19.files.wordpress.com/2012/11/lynn-race-differences-in-intelligence.pdf
Page 60:-
Row 3 gives an IQ of 93 for 14-year-old students at St. Xavier’s School in Delhi.
So, top 1% of people on socio-economic status in West Delhi (St.Xavier kids, bordering Rajasthan and Haryana) have a lower IQ than bottom 1% of East Delhi (homeless people near UP border).
This difference is attributed to higher average IQ in Uttar Pradesh and lower average IQ in Haryana and Rajasthan. A gap as big as 11 IQ points currently.
http://img.asercentre.org/docs/Publications/ASER%20Reports/ASER%202014/District%20Estimates/uttarpradesh.pdf
This document covers district wise reading and maths score in districts in Uttar Pradesh.
Average reading and maths score of districts that are near Ganga river is much higher than off shore areas near Himalyan mountain.
Due to the same, average IQ in Uttarakhand (a hilly area near Uttar Pradesh) is below national average as shown by Richard Lynn.
This is because historically the smartest people in India settled at or around Ganga river in Nothern India.
UP has 12% Brahmins. Population of UP is 200 million which means that 50% of Brahmins in India (25 million) live in Uttar Pradesh.
The higher IQ of Brahmins in USA is wrongly interpreted as a caste difference. The reality is that people in Uttar Pradesh have higher IQ than rest of Indian states (irrespective of caste). And it just has 50% of Brahmin population.
This is wrongly interpreted on HDB that “Brahmins have higher average IQ” which is actually “UP has higher average IQ”.
TBC.
Other North Indian states:-
Jammu and Kashmir:-
IQ in Jammu and Kashmir is the lowest in India. This is also confirmed by Richard lynn’s work.
Lower IQ in J&K has nothing to do with location. Rather, J&K is a disputed territory and a constant war zone between India and Pakistan.
Due to terror activites, it has drained all the cognitive elites from J&K to Punjab and Himachal Pradesh.
As a result, IQ in Punjab is close to 90 as measured by IQ data above.
And is above national average as measured by Lynn’s recent publication on India.
Cognitive drain from Pakistan:-
At the time of independence, very large proportion of cognitive elites moved from Pakistan to India. This can be seen here:-
http://www.oldindianphotos.in/2009/10/mass-migration-during-independence-of.html
7 million people in Punjab, India came from Pakistan in 1947.
As mostly rich and cognitive elites migrated from Pakistan, the average IQ in Punjab is higher than Harayana and Himachal Pradesh (other regions in North India).
Low IQ in Rajasthan:-
IQ in Rajasthan is much lower than national average. Average IQ in Rajasthan based on IQ data above is only 83.
This is also confirmed by TIMSS 2003 where average score for Rajsthan was only equivalent to 83 IQ.
This is also confirmed by Lynn’s work:-
https://drive.google.com/file/d/0B3c4TxciNeJZQlIxM3EwSXg4REk/view
Where Rajsthan underscores average Indian by 0.2 standard deviation or 3 IQ points.
However, Rajasthan faces highest fluoride contamination in India as per national data:-
http://www.indiaenvironmentportal.org.in/files/file/State-wise%20Districts%20with%20Fluoride%20and%20Arsenic%20Contaminated%20Groundwater.pdf
Around 91% districts in Rajasthan are fluoride contaminated v/s 48% all over India.
So, IQ in Rajasthan has the highest scope of IQ gains.
TBC
IQ in Punjab is higher than IQ in Chandigarh.
Based on IQ samples above, IQ in Punjab is 90.52.
IQ in Chandigarh is 88.51.
If you look at the IQ paper on Chandigarh as cited above, they have tested close to 2400 kids randomly in 33% schools and have covered all kids in Chandigarh.
If you look at Richard Lynn’s work on Indian states:-
https://drive.google.com/file/d/0B3c4TxciNeJZQlIxM3EwSXg4REk/view
Punjab scores around 253, 3 points above national average.
Chandigarh scores around 247, 3 points below national average.
The difference between Punjab and Chandigarh is 0.12 standard deviation. Which is close to 1.8 IQ points.
So, the IQ data on India and recent tests by Lynn show shocking consistency point by point.
Chandigarh is capital on Punjab. But has a lower IQ as Punjab pulls cognitive elites from J&K (war zone). So, cognitive clustering explains this trend.
TBC
IQ in Gujarat:-
Based on 4 IQ data on Gujarat as cited above done in 8 different locations, the average IQ was 91.85.
IQ data in Gujarat is done in Kachh and Ahmedabad districts. District wise reading and maths score is also available:-
http://img.asercentre.org/docs/Publications/ASER%20Reports/ASER%202014/District%20Estimates/gujarat.pdf
Average test score for Kachh and Ahmedabad is 59.7 percentile reading and 23.75 maths.
Average for Gujarat is 57 reading and 29 maths.
So, reading scores are higher while maths score are lower.
Based on this, I estimate that Gujarat will be much higher on maths and much lower on reading. As compared to the IQ of Kuchh and Ahmedabad, averaging at 91.85 IQ.
5.25 percentile change will cause IQ jump by 2 on normal distribution, putting Gujarat non-verbal IQ at 93.85.
2.7 percentile dip will cause IQ dip by 1, putting Gujarat verbal IQ at 90.
Based on Lynn’s sample on India:-
https://drive.google.com/file/d/0B3c4TxciNeJZQlIxM3EwSXg4REk/view
Average IQ in Gujarat is marginally higher than Chandigarh which scores 88.5 IQ based on very reliable IQ sample including large no. of kids.
Note that IQ of India will be just 1 IQ points higher than IQ in Chandigarh at 89.5 IQ (verbal and non-verbal). Based on the IQ sample on Chandigarh and normalizing it to Richard Lynn’s work.
Maths score of Gujarat is 262 while reading score of Gujarat is 247.
Maths score is higher than national average by 4 IQ points. At 93.5 IQ.
Reading score is same as national average at 89.5 IQ.
So, you have perfect estimates. Based on Lynn’s work, IQ data on Gujarat, district wise reading and maths score in Gujarat.
IQ in Madhya Pradesh:-
IQ of Madhya Pradesh based on IQ data is 85.3 IQ.
If you look at district wise reading and maths score in MP:-
http://img.asercentre.org/docs/Publications/ASER%20Reports/ASER%202014/District%20Estimates/madhyapradesh.pdf
Shivpuri and Bhopal where IQ tests were conducted show same maths scores as average for Madhya Pradesh.
Average maths score is same for (Bhopal+Shivpuri average) and rest of MP.
So, IQ of MP will be 85.3 maths IQ.
Based on Lynn’s data on India the average score in MP is 239 maths. 0.22 standard deviation below average Indian.
So, average IQ of India projected from IQ and Lynn’s data on MP will be 88.6 maths IQ.
Which is consistent with IQ projection to rest of India from Punjab, Gujarat, Chandigarh, etc. to rest of India based on Lynn’s work, IQ data on India and district wise reading and maths scores.
IQ in West Bengal:-
There are two districts where IQ tests are done in West Bengal. First one is Bankura district where average IQ in 100.15 in optimum conditions and 84.15 in un-optimum (fluoride) conditions.
Average IQ of Bankura district is 92.15 IQ.
Second one is mostly done in 24 North Paragnas in 3 government schools where average IQ is 86.325 IQ.
District wise reading and maths results in West Bengal are also available:-
http://img.asercentre.org/docs/Publications/ASER%20Reports/ASER%202014/District%20Estimates/westbengal.pdf
Bankura has 51.7 percentile kids accomplishing maths task. And 59.5 on reading.
North Parag average is 67.6 reading. And 45.1 on maths.
However, iodine study as cited above is only done in government schools. And it is well known that kids in private schools in India show higher IQ.
So, IQ in Bankura district is closer to 89 IQ as low side sampled IQ shows 86.325.
Average maths score of West Bengal will be marginally above the average in North Parag, and 2 IQ below Bankura as difference between average score for WB and average score for Bankura is 6 percentile which is 2 IQ.
Average IQ in West Bengal will be 90.2 IQ.
Based on Lynn’s work:-
https://drive.google.com/file/d/0B3c4TxciNeJZQlIxM3EwSXg4REk/view
Average maths score of West Bengal is 260.5. Around 3 IQ above national average.
So, you have good consistency with IQ data. That average India will score around 87-90 IQ.
Same projections from IQ data in Punjab, Chandigarh, MP and Gujarat to rest of India based on average state wise score and district wise reading and maths score.
Average IQ in Kolkata:-
Kolkata had 2 IQ samples. One cited by Lynn and one other cited above, both show average IQ of 87. With good enough sample size.
In second sample, 57% kids were undernourished. And 22% population was above 120 IQ.
This is because Kolkata is a major city and pulls in top class immigrants from all over India.
I conclude that long term Kolkata will be close to 100 IQ. As 57% undernourishment will push the average IQ by good amount, 6 points at the bare minimum and Kolkata will keep pulling high skilled immigrants from all over India.
TBC
IQ in Orissa:-
No IQ data.
Orissa participated in TIMSS 2003 and average score was 404. England on which IQ is generally normalised scored 492 same year.
Rajasthan scored 384.
Lynn’s work shows that:-
https://drive.google.com/file/d/0B3c4TxciNeJZQlIxM3EwSXg4REk/view
Mean maths score in Orissa is 247.5. And Rajasthan is 242.
Orissa is 0.12 standard deviation above Rajasthan or 2 IQ.
So, IQ in Orissa is close to 86 at the moment. And is also confirmed by TIMSS 2003 score on Orissa.
Average score in Orissa is below average Indian as per Lynn, etc. by 1 IQ point.
So, again you get the same IQ projection that average Indian will score 87-90 IQ.
IQ in Karnataka:-
Average IQ in Karnataka based on IQ samples cited above is 80.15 IQ.
Average IQ was done in 2 villages in Devangree, 3 villages in Mysore, 2 villages in Bagalkot and in a suburb in Bellary.
In Bellary sample, only Scheduled Tribes were selected.
Bellary showed IQ of 100.6 for healthy group (non-stunted). And 6 points below for stunted group.
As Bellary has appx. 60% under-nourished, average IQ is close to 96. As test was done on WISC, both verbal and non-verbal IQ is reported.
In Devangree, two government schools were selected as mentioned in IQ sample above. The average IQ is close to 79.9 non-verbal IQ. As government schools show lower IQ and is a downward sample, the average IQ is likely to be close to 82.9 non-verbal IQ.
In Mysore, both government and normal schools were selected and average IQ is close to 81.3 IQ.
In Bagalkot, the average IQ was found to be 74.4 for non-fluoride group and 64.4 for those facing dental fluorosis. As majority people don’t face dental fluorosis, I will take average IQ to be 72 in Bagalkot, Karnataka.
So, average IQ of these 4 districts is 83 IQ.
Here are district wise maths result on Karnataka:-
http://img.asercentre.org/docs/Publications/ASER%20Reports/ASER_2010/KARNATAKA_2010.pdf
Average maths score for Bagalkot is 19 percentile below average for Karnataka.
Average maths score for Mysore is 13.25 percentile below average for Karnataka.
Average maths score for Devangree is 12.95 percentile below average for Karnataka.
Average maths score for Bellary is 7.95 percentile below average for Karnataka.
So, you get consistency that Bellary scores highest among these 4 districts in Karnataka followed by Devangree followed by Mysore with Bagalkot at the bottom. Consistent with IQ data on Karnataka on these 4 districts.
IQ in Chimoga, Chikmanglur, Chitradurg, Dakshin and Uttar Bidar will be on higher side based on district wise reading and maths score.
So, all districts where IQ test is done score below Karnataka average on reading and maths.
To calculate the IQ of Karnataka, I will use normal distribution tool.
http://www.wolframalpha.com/widgets/view.jsp?id=67817f2e01eecd366e6d73ac7a71bcd1
Average IQ in 4 districts of Karnataka is 83 with SD of 19. Average Karnataka will score at 64 percentile of these 4 districts based on district wise reading and maths score in Karnataka.
So, average IQ in Karnataka will be close to 89 IQ. Based on IQ test done in 4 districts and projecting the average to rest of Karnataka based on district wise reading and maths score.
Lynn’s sample shows:-
https://drive.google.com/file/d/0B3c4TxciNeJZQlIxM3EwSXg4REk/view
That average score in Karnataka is 255 on maths. Which is just 0.1 standard deviation above national average.
So, again you get the same projection that entire India will score 87-90 average IQ.
Which is consistent if you look into the IQ data on Chandigarh, Punjab, West Benagal, Gujarat, Orissa, Rajasthan and MP and try to find the average IQ of India based on district wise and state wise scores.
Average IQ in New Delhi:-
Based on IQ samples in New Delhi in 5 locations, average IQ is 83.
Study 1 is done on homeless people in East Delhi in area bordering UP. Showing average to be 88 overall and 93 for those kids who attend schools.
As it is extreme downward sampling of population as they are measuring IQ of homeless people (bottom 1% of socio-economic status), average in East Delhi will 8 points higher at 96 IQ.
Study 2 cited above is on government schools showing average IQ to be 77.2. Average will be 80.2 as government schools score 3 points below average population.
Study 3 is cited by Lynn showing average IQ of 93 on upper end population on socio-economic status. Average will be 8 points below as mentioned by Lynn in his book. So, average IQ is close to 85 in West Delhi.
Study 4 shows average of 80.
So, average IQ of Delhi will be close to 85.5 based on IQ samples.
As per Lynn:-
https://drive.google.com/file/d/0B3c4TxciNeJZQlIxM3EwSXg4REk/view
Delhi scores 240.5 maths score. 0.2 standard deviation below average Indian. Or 3 IQ points.
So, average IQ of India will be 87-90 range based on IQ samples in Delhi and projecting it to rest of India based on state wise scores.
IQ in Chennai and Tamil Nadu:-
IQ in Chennai is 96 as measured by IQ samples. IQ sample on Chennai showing average IQ of 98 is even more reliable as they are randomly testing large number of kids in all zones of Chennai.
There are no IQ samples on Tamil Nadu.
To see average IQ in Tamil Nadu, I had to look at average score of Tamil Nadu in ASER, Lynn’s work and PISA.
PISA score was 351 maths, 337 reading. At 77.5 maths IQ, 75.6 verbal IQ.
Lynn showed average score of 257 maths, 249 reading. And is 2.1 non-verbal IQ above average Indian and same at verbal IQ.
Based on IQ data all over India; that would transform to 90.6 maths IQ, 88.5 verbal IQ.
As Lynn’s sample is in 2015 while PISA sample is in 2010, I had to see trends over time to see if average score for Tamil Nadu has actually risen from 2010 to 2015 as suggested by two data sets.
http://img.asercentre.org/docs/Publications/ASER%20Reports/ASER%20TOT/State%20pages%20English/tamilnadu.pdf
This is a document that captures scores of Tamil Nadu over time.
Class 5 reading score (2006):- Tamil Nadu: 29.2, All India: 53.1
Class 5 maths score(2007):- Tamil Nadu: 17.5, All India: 42.5
A class 5 student in 2006 will be class 9 student in 2010, that is sampled by PISA.
In 2014:-
Class 3 reading score(2014):- Tamil Nadu: 37.9, All India: 40.3
Class 5 reading score (2014):- Tamil Nadu: 46.9, All India: 48.1
Class 3 maths score(2014):- Tamil Nadu: 24.3, All India: 25.4
Class 5 maths score(2014):- Tamil Nadu: 25.8, All India: 26.1
So, in 2010 the average score in Tamil Nadu for 15 yo should be 24.5 percentile below national average in 2010. 23.9 percentile below on reading. And 25 percentile below on maths. Based on state wise reading and maths score.
Calculating average IQ of India based on PISA of Tamil Nadu in 2010:-
http://www.wolframalpha.com/widgets/view.jsp?id=67817f2e01eecd366e6d73ac7a71bcd1
PISA showed 77.5 maths IQ, 75.6 verbal IQ. In Tamil Nadu. SD of IQ was 17 in PISA of TN.
Average score for all India average is 25 percentile higher on maths, 23.9 percentile higher on reading. As compared to TN. Based on state wise reading and maths results.
Using normal distribution calculator, average IQ of India extrapolating from PISA of TN will be 86.5 verbal IQ, 89 non-verbal IQ.
So, you get the same IQ projection on India that average IQ is 87-90 based on all IQ and test data on India (TIMSS, PISA, IQ reports).
Average scores for Tamil Nadu has increased and can be seen in ASER link of TN. And in 2015, the scores are same as national average in 2015 as can be seen in Lynn’s work.
Average IQ in Maharashtra:-
Average IQ in Pune is 92.33 based on 2 IQ samples cited above.
To see average in Maharashtra, I will use district wise reading and maths results:-
http://img.asercentre.org/docs/Publications/ASER%20Reports/ASER_2010/MAHARASHTRA_2010.pdf
Average maths score in Pune is 65.6 percentile.
Average score in Maharashtra is 55.9 percentile.
Pune scores higher than average for Maharashtra by 9.75 percentile on non-verbal IQ.
Calculating on normal distribution,
http://www.wolframalpha.com/widgets/view.jsp?id=67817f2e01eecd366e6d73ac7a71bcd1
Average IQ of Pune is 92.33, SD of 15.
Average IQ of Maharashtra will be 88.6 IQ.
Lynn’s work shows:-
https://drive.google.com/file/d/0B3c4TxciNeJZQlIxM3EwSXg4REk/view
That average maths score of Maharashtra will be 256.5.
1.9 IQ above national average.
So, average IQ of India will be 86.7 based on IQ samples on Maharashtra and projecting it to average Indian by using state and district wise scores.
Again you have great consistency of all psychometric test data on India.
IQ in Andhra Pradesh:-
Based on IQ data in Andhra Pradesh, average IQ is 80.6. With IQ being 85 in non-fluride region and 76 in severe fluoride region.
As severe fluoride region is not so common in AP, average IQ in Nalgonda in AP is close to 82-83.
IQ tests were done in Nalgonda district.
District wise maths score on Andhra Pradesh are available:-
http://img.asercentre.org/docs/Publications/ASER%20Reports/ASER%202014/District%20Estimates/andhrapradeshtelangana.pdf
Average score in Andhra Pradesh is 56.1 vs 53.4 percentile in AP.
That’s a difference of 1.1 IQ.
So, average IQ in Andhra Pradesh is close to 83-84 IQ.
Based on Lynn’s work:-
https://drive.google.com/file/d/0B3c4TxciNeJZQlIxM3EwSXg4REk/view
Average maths score of AP is below national average by .2 SD. That’s a gap of 3 IQ
Average IQ of India projecting from IQ samples on AP will be 86-87 range as well.
So, all the test, IQ and all psychometric data on any part of India predicts the same thing that average IQ in India is in 86-90 IQ range.
More IQ data on India.
Here is a recently published paper on IQ data on Karnataka, published on 30 Dec 2016 which I missed in my analysis:-
http://www.jispcd.org/article.asp?issn=2231-0762;year=2016;volume=6;issue=9;spage=237;epage=242;aulast=Aravind#ref5
Results:- http://www.jispcd.org/viewimage.asp?img=JIntSocPreventCommunitDent_2016_6_9_237_197204_t5.jpg
Date of measurement: September 2014.
Norms used: Raven’s 1977.
Place:- One village in Kodagu. Two villages in Hassan.
Schools:- Government schools.
Average IQ:-
97.78 in Kodagu in low F.
101.45 in Hassan in med F. And 89.6 in high F.
Note that the IQ numbers in paper are not normalized for mental age. You can use the results in which grades are mentioned (95%+, etc.) to calculate the IQ.
Average IQ after normalizing it because of usage of old norms:-
89.46 in Kodagu in low F.
93.13 in Hassan in med F. And 81.27 in high F.
As the measurement is done in government schools, average IQ is 92.46 in Kodagu. And 96 in Hassan in good fluoride conditions and 84 in worse fluoride environment.
As worse fluoride environment is rare, I will use the average IQ to be 94 in Hassan.
Here are Karnataka district wise maths results:-
http://img.asercentre.org/docs/Publications/ASER%20Reports/ASER_2010/KARNATAKA_2010.pdf
I already showed that Bagalkot, Devangree and Mysore where average IQ was 72, 83 and 81 were way below average for Karnataka by 15-19 percentile.
Average scores for Hassan is 14 percentile higher than average for Karnataka.
Average score for Kodagu is 3.75 percentile higher than average for Karnataka.
Calculating on normal distribution,
http://www.wolframalpha.com/widgets/view.jsp?id=67817f2e01eecd366e6d73ac7a71bcd1
Average IQ of Karntaka extrapolating from average IQ in Hassan is 87.9 IQ.
Average IQ of Karnataka extrapolating from average IQ in Kodagu is 91.2 IQ.
Average IQ of Karnataka even on IQ data published 20 days back is 89 IQ. Which is exactly the same as average IQ calculated using IQ of Mysore, Devangree, Bagalkot. As shown above in my comments.
So you get the basic picture that Indian villages which are decent on nutritional status score 90-95 average IQ as well. Like many of the IQ samples attached above. While the IQ is as low as 70-75 in places where nutritional status is weak and the same is also reflected in district wise test results.
Regarding Flynn effect gains on other nations, here is my estimate. First you have to look at factors lowering IQ. These factors are:- Mal-nourishment, Iodine Deficiency, Fluoride contamination, Blood Lead Levels, Proper Education, poor pregnancy diets.
Here is my analysis on Iodine Deficiency by nation:-
http://www.ign.org/cm_data/Scorecard_2016_SAC_PW.pdf
http://wcd.nic.in/Schemes/research/nti1947/7.11.3%20Iodine%20deficiency%20%20pr%20%208.2%20new.pdf
Based on these data-sets,
In Europe, 50% population is iodine deficient. In India, it is 29% population.
In China, 4% population is iodine deficient.
In USA, there is no iodine deficiency.
Household consuming iodized salt:-
http://www.ign.org/cm_data/Scorecard_2015_August_26_new_intake.pdf
East Asia:
China: 96.8%, DPR Korea: 24.5%, PRK and Japan: 100%
South East Asia:
Indonesia: 57.6%, Vietnam: 45%, Thailand: 71%, Philippines: 45%
South Asia:
India: 71%, Sri Lanka: 92%, Pakistan: 69%, Bangladesh: 57%
Mid-East:
Turkey: 68%, Iraq: 29%, Afghanistan: 20%.
Total people born due to IDD related mental damage:-
Total 19 million people are born worldwide with IDD related mental damage and 6.6 million of those are in India.
As a general rule of thumb, iodine consumption increases the IQ by 13.5 points. And iodine related mental damage decreases the IQ by 25 IQ points.
So, IQ of Europe should increase by 5 points, India by 4 points, mid-East and South East Asia by 5 points, USA and East Asia should stay flat.
Rather as a matter of fact, IQ in China has increased from significantly in many provinces due to iodine consumption. Here is a study from China in old days when iodine deficiency status was not up to the mark:-
This is an IQ study from rural areas of China on iodine sufficient and iodine deficient regions:-
Qian, 2009 (14 IQ studies showing 81-90 average IQ)
http://000do4q.myregisteredwp.com/wp-content/uploads/sites/1836/2016/05/china-iodine-study.pdf
Overall IQ result:- Iodine sufficient (optimum conditions):-
84.7, 86.9, 87.2, 75.1, 75.1, 88.34, 85.15, 86.9, 88.65, 90.89, 87.56, 87.31, 97.8, 81.44
IQ has inccreased by 6-8 points in China due to USI (universal salt iodization)
TBC
Mal-nourishment:-
130 million in China faces mal-nourishment (10% population). Vs 450 million in India (36%). And less than 10 million in Europe (1.8%).
Mid-East do not face any mal-nourishment.
Mal-nourishment removal increases your IQ by 10 points.
So, IQ will increase in India by 3.6 IQ points, China by 1 IQ point. No scope of increase elsewhere.
Inbreeding:-
Inbreeding lowers your IQ by 13 points.
Mid-East faces inbreeding among Muslims. And it is partially faced by muslims in India, Indonesia and other regions.
So, IQ will increase in mid-East by 6 points. India by 2 points. Malaysia and Indonesia by 5 points.
Fluoride Contamination:-
Saudi Arabia, Iran and India have the highest fluoride contamination in the world.
Average fluoride in drinking water in Iran is 2.5 ppm.
In many places in Iran, they have removed fluoride from drinking water. Here are the IQ results:-
Source: http://fluoridealert.org/wp-cont…
Makoo, Iran:-
Source: http://fluoridealert.org/wp-cont…
Kerman Province, Iran :-
Source: http://fluoridealert.org/wp-cont…
Iran :-
Source: http://fluoridealert.org/wp-cont…
What are the results:-
Average IQ has increased by 11 points in Iran from 88 to 99 on average.
Similarly in India, many places which are free of fluoride contamination score 8-13 IQ points higher.
Some IQ samples:-
https://www.researchgate.net/publication/297722925_Dental_fluorosis_and_urinary_fluoride_concentration_as_a_reflection_of_fluoride_exposure_and_its_impact_on_IQ_level_and_BMI_of_children_of_Laxmisagar_Simlapal_Block_of_Bankura_District_WB_India?_sg=OxEw86Y9iI6rPYqTlpXNxf3sHxsD4oLarEkZXw_AKdiC1SmLw9IzIsEDusa540LU
IQ in Villages in Laxmisagar Village was 108.3 in normal regions and 85–92 in fluoride
http://www.jcdr.net/article_fulltext.asp?issn=0973-709x&year=2015&month=November&volume=9&issue=11&page=ZC10&id=6726
IQ of 110 in village Tiwariganj, Lucknow and 85–92 in village, Unnao district of UP.
85-92 is in high fluoride region.
http://fluoridealert.org/wp-content/uploads/singh-2013.pdf
IQ of villages near Jaipur is 93.31 and near Dausa is 84.48.
Similarly, when de-fluoridation drive happened in China, average IQ increased by 8-13 points. IQ samples showing the same:-
Wang, 2001 (Average IQ of 76-81)
Source: http://www.fluoridealert.org/wp-content/uploads/wang-2001.pdf
Shandong province, china.
Hong, 2001 (Average IQ of 65-82)
Source: http://www.fluoridealert.org/wp-content/uploads/hong-2001.pdf
Shandong province, china.
Li, 1995 (Average IQ of 79-89)
Source: http://www.fluoridealert.org/wp-content/uploads/li-1995.pdf
Guizhou province, china.
Yang, 1994 (Average IQ of 76,81)
Source: http://www.fluoridealert.org/wp-content/uploads/yang-1994.pdf
Jinan, China.
An, 1992 (Average IQ of 76,84)
Source: http://www.fluoridealert.org/wp-content/uploads/an-1992.pdf
Guyang county, inner Mongolia.
Guo, 1991 (Average IQ of 76,81)
Source: http://www.fluoridealert.org/wp-content/uploads/guo-1991.pdf
Hunan province, china.
I would guess that IQ in mid-East (especially Iran and Saudi Arabia) will increase by 6-7 points while in India, it will increase by 4-5 points due to de-fluoridation drive. Europe and East Asia would be constant.
Poor pregnancy diets:-
IQ can change by 20 points due to diets during pregnancy. Only poor world regions have any scope of increase on that matter.
Flynn Effect due to Fluoride:-
Presently, most of the world has been free of fluoride in drinking water with the exception of mid-East (Saudi Arabia, Iran) and India.
In China, researchers have been able to push the average IQ in mid 80s in rural areas due to removal of fluoride in drinking water. Here are the IQ samples covering the same:-
Wang, 2001 (Average IQ of 76-81)
Source: http://www.fluoridealert.org/wp-content/uploads/wang-2001.pdf
Shandong province, china.
Hong, 2001 (Average IQ of 65-82)
Source: http://www.fluoridealert.org/wp-content/uploads/hong-2001.pdf
Shandong province, china.
Li, 1995 (Average IQ of 79-89)
Source: http://www.fluoridealert.org/wp-content/uploads/li-1995.pdf
Guizhou province, china.
Yang, 1994 (Average IQ of 76,81)
Source: http://www.fluoridealert.org/wp-content/uploads/yang-1994.pdf
Jinan, China.
An, 1992 (Average IQ of 76,84)
Source: http://www.fluoridealert.org/wp-content/uploads/an-1992.pdf
Guyang county, inner Mongolia.
Guo, 1991 (Average IQ of 76,81)
Source: http://www.fluoridealert.org/wp-content/uploads/guo-1991.pdf
Hunan province, china.
In Iran, researchers have been able to push the average IQ to 97-104. Currently, Iran and Saudi Arabia face 2.5 ppm average fluoride in drinking water.
Source: http://fluoridealert.org/wp-cont…
Makoo, Iran:-
Source: http://fluoridealert.org/wp-cont…
Kerman Province, Iran :-
Source: http://fluoridealert.org/wp-cont…
Iran :-
Source: http://fluoridealert.org/wp-cont…
The results:-
Similarly in India, de-fluoridation has increased the IQ by 13 points. Many samples cited above.
Presently, only India and mid-East (mostly Iran and Saudi Arabia) face fluoride contamination.
And the average IQ will increase by 10 points in Saudi Arabia, Iran and 6 points in India.
China has already reached WHO target of de-fluoridation and IQ in China has already increased as can be seen in the IQ samples above.
Flynn effect due to mal-nourishment:-
Here is the data by UNICEF on mal-nourishment by nation:-
http://data.unicef.org/topic/nutrition/malnutrition/
South Asia: 36%, East Asia: 10%, Mid-East: 18%, Africa: 35%.
Removal of mal-nourishment will increase the IQ by 10 points.
So, South Asia has a scope of increase by 3.6 points (India will be 4.5 points), Africa will also be 3.5 points. East Asia by 1 IQ point. Mid-East by 2 IQ points.
Remaining factors like education, etc. will increase IQ but it may not be certain. A high IQ nation will have high IQ teachers and high IQ culture which will cause even better test results.
Hence, the academic test scores which are less loaded on genes like PISA show way bigger gap than actual IQ gap between nations.
So, I guess these flynn effects for major world regions based on iodine deficiency numbers, fluoride contamination and mal-nourishment that is prevalent:-
India: 14.5 (4 due to Iodine, 6 due to fluoride, 4.5 due to mal-nourishment),
Europe: 5 (due to iodine deficiency),
East Asia: 1 (due to mal-nourishment),
mid-East: 15 (due to fluoride, mal-nourishment, Iodine).
So,
Flynn effect will increase the average IQ by:-
Europe: 3-5 points (+3-5 for iodine deficiency)
mid-East: 12-18 points (+4-6 for inbreeding, +5-7 for fluoride (+9-11 for Iran and Saudi Arabia), +3-5 for iodine deficiency)
China: 1-2 points (+1-2 for mal-nourishment)
India: 11-19 points (+3-5 for mal-nourishment, +4-6 for fluoride, +3-5 for iodine, +1-3 for inbreeding).
Note: All iodine deficiency numbers are taken from WHO sites attached above. Mal-nourishment numbers are taken from UNICEF:-
http://data.unicef.org/topic/nutrition/malnutrition/