These results, based on 1,565,983 responses from participants around the world who took the international IQ test on the website in 2022, were published in 2023. For Southeast Asia, Singapore stands out as the country with the highest IQ, ranking in the top 5 worldwide based on IQ test results with 5,975 participants. Viet Nam takes the second spot with an IQ of 101.14, involving a total of 10,288 participants. Both Singapore and Vietnam are among the top 10 countries globally with the highest average IQ. Conversely, Indonesia records the lowest average IQ in Southeast Asia, scoring 94.04 based on data from 170,297 participants.
