Highest Iq Country In The World 2024. According to a 2019 study by researchers richard lynn and david becker at the ulster institute, the highest average iq scores in the world belong to the japanese, with the citizens of taiwan and singapore. The country that has the highest iq level in the world is said to be the smartest country in the world.

Which country has the highest iq? The country with the highest iq in the world is japan with an average score of 106.48.