Singapore and Vietnam have been ranked among the top 25 countries in the world by average IQ, according to a 2024 update from the International IQ Test. The study, which analyzed the IQ scores of 1,691,740 individuals who took the same test in 2023, highlights South Korea as the global leader with an average IQ of 107.54.
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Higher IQ
China follows closely in second place with an average IQ of 106.99, and Iran ranks third with 106.84. Notably, Singapore stands out in Southeast Asia, securing the fifth position worldwide with an average IQ of 106.18, while Vietnam ranks 20th with an average IQ of 101.45.
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