“The average IQ in the United States is typically standardized around 100, while unofficial global internet datasets estimate Mexico's average IQ between 86 and 90”
replyIQ by state [1]. Remove California, and it'll go up a bit!
reply[1] https://worldpopulationreview.com/state-rankings/average-iq-...
And California has a lower IQ because of … Mexicans! (And other immigrants)
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