As of 2025, Sri Lankans have the highest average IQ levels in South Asia with an average IQ level of 102, which has also been ranked in the top 12 countries with the highest average IQ level in the ...

Intelligence quotient, more commonly referred to as IQ, is a measure of an individual’s intelligence, sanity, and acumen. The use of IQ for measuring intelligence is not the first of its kind.

According to this World of Card Games ranking, Switzerland is the smartest country in the world based on a variety of criteria from average IQ to education levels. The U.S. also makes the top three.

Taiwan and Hong Kong also recorded very high scores, around 107. However, they were not included in the final country ...