Average IQ of enlisted men
Following the latest John Kerry brouhaha, a reader asked what the average IQ of U.S. military personnel is. From table 2.8 of the is Department of Defense document, I estimate that the average for new enlisted men in 1998 was about 105, which would be in the 60th to 65th percentile compared to all the young people in America when the Armed Forces Qualification Test was normalized in 1980 on the National Longitudinal Study of Youth's sample of 13,000 people ages 15-23. (This is the same enormous study that provides the data in Section 2 of The Bell Curve.)
Female enlistees would be similar.
The Air Force has the highest AFQT test score enlistees, with the Navy slightly ahead of the Army and Marines for second place.
The average across all services would be about 107 for white enlistees, 102 for blacks, and 103 for Hispanics. (In comparison, according to data kindly provided to me by Charles Murray, when the military renormalized the AFQT on a new nationally representative sample in 1997, white males averaged 102.7 and black males 88.4. The race gap was 1.5 points smaller among women.)
AFQT for AC Enlisted Accessions
B6 - Accessions by AFQT & Race/Ethnicity
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