Top Countries by Average IQ Ranked 1 to 3

Select Language:

Top Countries with the Highest Average IQ in 2025

1. China Dominates with the Highest IQ Score
Leading the list once again, China boasts an impressive average IQ of 107.2. This reflects significant advancements in education and technological development within the country. Chinese cities like Shanghai and Beijing continue to push the boundaries of academic achievement, contributing to their top ranking globally. The nation’s focus on STEM (Science, Technology, Engineering, and Mathematics) education, alongside rapid urbanization, plays a crucial role in maintaining high cognitive levels among its population.

2. South Korean and Japanese Giants Tied at 106.4
South Korea and Japan share the second spot, both with an average IQ of 106.4. South Korea’s innovation hub, Seoul, along with Japan’s emphasis on education, has solidified their positions on this list. Japan’s technological prowess, coupled with robust educational systems, continues to foster high levels of intelligence. These nations exemplify how culture and investments in education directly influence national IQ scores.

3. Iran’s Steady Rise to 106.3
Iran makes notable progress, with an IQ of 106.3. Over recent years, Iran has increased investments in educational infrastructure and science, lifting its standing among Middle Eastern and Asian nations. Its universities attract international students, and a focus on technological innovation helps sustain this upward trend.

4. Singapore Ranks Fifth, Boosted by Educational Excellence
Singapore maintains a top-five spot with an average IQ of 105.1. The country’s rigorous education system, emphasis on lifelong learning, and technological integration are key factors behind its high cognitive score. Singapore’s quality of life and affordability of education continue to attract talented minds from around the world.

5. Russia’s Continued Strength at 103.2
Russia holds steady at number six with an average IQ of 103.2. Its strong mathematical and scientific educational traditions contribute significantly to this score. Russia’s focus on STEM fields and research institutions keeps it competitive on the global intelligence stage, despite geopolitical and economic challenges.

6. Mongolia Reaches 102.9, Breaking New Ground
Mongolia’s average IQ score has increased to 102.9, a rise attributed to government reforms in education and increased access to quality schooling in rural areas. Mongolia’s cultural focus on education and international educational partnerships are fostering overall cognitive development.

7. Armenia and Australia Tie at 102.6
Armenia and Australia share an average IQ of 102.6. Armenia’s efforts to modernize its educational infrastructure and contemporary curriculum updates are paying off. Australia’s diverse multicultural environment and investment in advanced research fuel their cognitive growth.

8. Spain Ranks in the Top 12 with 102.3
Spain continues to demonstrate high levels of intelligence among European nations, with an average IQ of 102.3. Reforms in primary and secondary education, along with a strong higher education system, are responsible for Spain’s position. The country also invests heavily in cultural and scientific pursuits.

9. New Zealand and Sri Lanka Both at 102.1
New Zealand and Sri Lanka demonstrate contrasting contexts but similar cognitive outcomes, with averages of 102.1 and 102.0 respectively. New Zealand’s emphasis on innovative teaching methods and high educational standards bolster its scores. Meanwhile, Sri Lanka’s expanding higher education sector is gradually improving its national IQ performance.

10. Southeast Asia’s Bright Spot: Thailand and Malaysia
Thailand scores 101.5, reflecting a strong focus on expanding access to quality education, especially in metropolitan areas. Malaysia boasts a similar score, thanks to massive investments in technical training and an increase in science and technology programs aimed at boosting national intelligence.

Current Trends and Global Insights
The 2025 IQ rankings reveal several fascinating patterns. Asian nations dominate the top spots, underscoring their focus on education, technological advancement, and innovation. European countries like Switzerland, Slovenia, and the Netherlands consistently maintain high average scores, emphasizing the importance of progressive education systems and social infrastructure.

Meanwhile, the United States, often a leader in technological innovation, ranks 30th with an average IQ of 99.7. The slight decline compared to Asian countries indicates shifting priorities and educational focuses worldwide. This trend might be linked to demographic changes, investment disparities, and access to quality education.

African and Middle Eastern countries, while represented, generally have lower average scores, highlighting ongoing challenges related to education equity, infrastructure, and healthcare. Countries like Egypt and Lebanon score around 97.2 and 99.4 respectively, reflecting regional efforts to improve educational opportunities.

Note: The data reflects over 1.39 million test results collected globally, showcasing a broad and diverse picture of cognitive ability in 2025. Continued investments in education, technology, and social well-being are likely to influence future rankings, potentially transforming the intellectual landscape of nations.

Source: International IQ Test, 2025