Average Iq In America 2024. Iq scores have substantially increased from 1932 through the 20th century, with differences ranging from. As standardized iq tests are updated regularly across time, it is likely that state (and national) iq estimates need updating as well.
Discover the rank of united states in the world. The animation above (you can view the chart for a given year by selecting it from the chart box below the image) shows the global histogram of iq and global mean iq for the hundred year.