In 2006, Dean Simonton, a professor of psychology at the University of California, Davis, let his curiosity get the best of him and conducted a study to assign IQ scores to all the US presidents ...

For more information, visit our medical review board. Average IQ refers to the baseline score of the general population. Therefore, to have an average IQ means that you are within normal ...

Nepal: With an average IQ of 42.99, Nepal is placed at the top of the list ranking countries with least IQ. Credit: iStock Photo Liberia: Not too far ahead of Nepal, this country in West Africa ...

According to the International IQ Test, updated on January 1, Iran ranks second worldwide, with an impressive average Intelligence Quotient (IQ) of 106.63.