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What percent of the US population have IQs of 145 or better?

April 26, 2017IQ percent population

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What percent of the US population have IQs of 145 or better?

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(and 0.15% a score below 65). Note that this estimate is not inclusive of 145 but is neverthless a decent estimate. I do not believe that exact data for the US is available since IQ tests are not compulsory. Hope this is helpful.