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[–]VacaLeitera767 7 insightful - 1 fun7 insightful - 0 fun8 insightful - 1 fun -  (12 children)

Brazilians are on average ~70% genetically European, ~20% African and ~10% Amerindian.(https://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572019000400495)

I don't think there are any studies that control for class but it is just evident that the upper classes are much less mixed than the rest of the population while the poor have way more african ancestry (I say this because I'm brazilian). Upper class neighborhoods usually have 90%+ white population, and kinky hair is a rare feature among elite people, usually the non-white blood they have is amerindian.

These are the elected representatives for the São Paulo state assembly, fairly typical upper middle class people, as you can see they look predominantly "white latin" with some slight admixture. https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fwww3.al.sp.gov.br%2Frepositorio%2Fnoticia%2F03-2008%2FDeputados%2520Novos-Geral.jpg&f=1&nofb=1

[–]casparvoneverecBig tiddy respecter 4 insightful - 1 fun4 insightful - 0 fun5 insightful - 1 fun -  (11 children)

Why is Brazil's IQ only 87 and its so shitty when they're on average 70% European? Are they worse off because they're descended from dumber Euros, aka Portoguese?

Portugal has the lowest IQ in Western Europe, only 94

[–]EthnocratArcheofuturist[S] 3 insightful - 1 fun3 insightful - 0 fun4 insightful - 1 fun -  (8 children)

Why is Brazil's IQ only 87 and its so shitty when they're on average 70% European?

Because that other 30% is dragging it down. African genes are weapons of mass destruction. Literally worse than nukes.

Portugal has the lowest IQ in Western Europe, only 94

Don't they have some African genes too?

[–]SoylentCapitalist 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (6 children)

Because that other 30% is dragging it down. African genes are weapons of mass destruction. Literally worse than nukes.

African-Americans have an average IQ of 85. That's literally a 2 point difference with Brazil, despite Brazil being 70% European.

[–]EthnocratArcheofuturist[S] 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (5 children)

You're comparing the IQ of American blacks with all people in Brazil. Why?

[–]SoylentCapitalist 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (4 children)

Since American blacks achieve a similar IQ as a nation that is 70% European, the small 20% African population isn't lowering it as much as you think.

[–]EthnocratArcheofuturist[S] 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (3 children)

a nation that is 70% European

There's a big difference between a nation that has 70% Europeans as part of its population, and a nation that has 70% of its population having some European DNA. Brazil is the latter.

[–]SoylentCapitalist 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (2 children)

The population isn't 70% full-blooded Europeans, but what I gathered from the study is that the mean European DNA among the entire population was 70%. As in the European DNA from mixed individuals and whites then totaled and compared to the rest.

To reduce the potential of bias from studies with different sampling methods, we calculated the mean genetic ancestry weighted by the number of individuals. The weighted mean proportions of European, African, and Native American ancestries were 68.1%, 19.6%, and 11.6%, respectively.

https://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572019000400495

Having a mean European DNA of 70% should be the same as a population with 70% full-blooded Europeans in terms of average IQ of the entire country. Assuming the other 30% is the same.

[–]EthnocratArcheofuturist[S] 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (1 child)

Having a mean European DNA of 70% should be the same as a population with 70% full-blooded Europeans in terms of average IQ of the entire country.

Why would you assume that?

[–]SoylentCapitalist 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

A mixed race individual has an average IQ the mean between both races. As an example a mulatto in the US has an average IQ of 92.5 which is the mean between African-American and Northwest Euro IQ. If you have 5 American blacks and 5 whites in group A the average IQ of group A is 92.5. If you have 10 mulattoes in group B the average IQ in group B is also 92.5.

Both group A and group B have the same mean of European DNA.

[–]VacaLeitera767 3 insightful - 1 fun3 insightful - 0 fun4 insightful - 1 fun -  (0 children)

I don't know about the IQ part, but the shittiness of Brazil is exagerated by the alt right I believe. Half of the country (the southeastern and southern parts especially) is fairly functional. Most of the horrors and morbidity associated with Brazil usually come from favelas and suburbs of cities with large destitute populations, and as a middle-class person it is fairly easy to avoid all of that.