11. São Tomé and Príncipe
Average IQ: 67
Change in Education Index: 9.07%
An island nation with merely 200,000 citizens residing within it, São Tomé and Príncipe comes next on our list of countries with the lowest average IQs in the world.
Average IQ: 67
Change in Education Index: 9.07%
An island nation with merely 200,000 citizens residing within it, São Tomé and Príncipe comes next on our list of countries with the lowest average IQs in the world.