South Korea: A Leading Nation in Intelligence in 2023

South Korea's precise positioning in the global intelligence rankings saw it at 6th place for both 2023 and 2024, with a minor variation in its IQ scores from 102.4 to 102.35, respectively. This subtle change underscores South Korea's consistent intellectual prominence on the world stage.

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Seoul, South Korea

Why South Korea?

Genetic Factors: A study of monozygotic twins raised apart in South Korea and the United States highlights the significant role of genetic factors in cognitive abilities. The twin raised in South Korea showed higher scores in intelligence tests, emphasizing genetic contributions to the nation's high intelligence scores.1

Education: South Korea's education system has evolved to integrate advanced technologies and STEM (Science, Technology, Engineering, and Mathematics) education, emphasizing practical problem-solving and real-world applications. This approach fosters deeper understanding and application of scientific and mathematical concepts among students.2

Technology and Innovation: The country has made significant strides in educational technology, with government initiatives supporting digital-based education reforms. These reforms include the introduction of AI digital textbooks and a focus on personalized learning using AI technology. Such advancements contribute to the country's standing in global competitiveness and innovation.3


  1. Segal, N. L., & Hur, Y.-M. (2023). Personality traits, mental abilities and other individual differences: Monozygotic female twins raised apart in South Korea and the United States. Personality and Individual Differences. PsyPost. [Link to the article]
  2. A review of the effect of integrated STEM or STEAM (science, technology, engineering, arts, and mathematics) education in South Korea. Asia-Pacific Science Education. [Link to the study]
  3. South Korea Education Technology. International Trade Administration. [Link to the article]