Which Country Has the Highest Average IQ in the World?

According to the International IQ Test, South Korea has the highest average intelligence quotient (IQ) score in the world.

As of January 1, 2024, the population of this K-Pop nation recorded an average IQ score of 107.54. China follows with an average IQ score of 106.99.

Indonesia ranks 95th globally with an average IQ score of 92.64.

These figures were compiled from 1.69 million people worldwide who took the test on the International IQ Test website in 2023.

However, this data does not appear to fully represent each country, as the sample size is small and the demographics of the respondents are not recorded.

The South Korean sample represents only 0.05% of its total population, China 0.02%, and Indonesia 0.05%. Furthermore, there is no information about the age of the respondents who took the test.

Below is a list of the 10 countries with the highest average IQ scores in the world according to the International IQ Test as of January 1, 2024:

1. South Korea: 107.54
2. China: 106.99
3. Iran: 106.84
4. Japan: 106.18
5. Singapore: 106.18
6. Austria: 102.71
7. Canada: 102.6
8. Germany: 102.36
9. Slovenia: 102.31
10. Mongolia: 102.3