If blacks were 12% population and 85 IQ (source) when the data was collected then the rest would be 99.1 - accounting for natives and such almost exactly the same as highest of Western countries like Canada/Australia/Germany/UK.
It's kind of remarkable how stable IQ is, even though I'd expect a nation of settlers to select for intelligence (have to be all-around capable) and also IQ tests at Ellis Island.
China fudges their numbers way up and still can't beat out Japan which is hilarious. Also, the US is being dragged down by hallway chirp Americans.
If blacks were 12% population and 85 IQ (source) when the data was collected then the rest would be 99.1 - accounting for natives and such almost exactly the same as highest of Western countries like Canada/Australia/Germany/UK.
It's kind of remarkable how stable IQ is, even though I'd expect a nation of settlers to select for intelligence (have to be all-around capable) and also IQ tests at Ellis Island.