A new map produced by researchers at the Ulster Institute shows the world's most intelligent nations based on IQ scores.

The U.S. ranked 46th, with an average IQ of 98.99, just below the global average, behind countries like the United Kingdom, France, Spain, Italy, Germany and Canada. More From Newsweek Vault ...

List of the Top 10 Countries with the Highest IQ: It is a daunting task to find the top 10 countries that have the people with the highest IQ. This is difficult because there are various factors ...

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 ...