Top 75 Countries with the Highest Average IQ in 2025

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Top 75 Countries by Average IQ in 2025

Published January 1, 2025

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1. China Leads the World with an Average IQ of 107.19

China maintains its position as the country with the highest average IQ, clocking in at 107.19. This marks a continued trend of high cognitive test scores, likely reflecting investments in education, research, and technological innovation. Chinese cities like Beijing and Shanghai lead the way, with many urban areas showing remarkable intellectual development.

2. South Korea and Japan Follow Closely at Over 106 IQ Points

South Korea scores an average IQ of 106.43, just slightly behind China. Its focus on education and rigorous testing systems contribute to this high cognitive metric. Japan’s average IQ is 106.4, with a strong emphasis on technological advancement and education systems that nurture high intelligence levels from a young age.

3. Middle Eastern Countries Show Solid Performance

Iran stands at 106.3, reflecting significant improvements in educational access and quality over recent years. Countries like Lebanon (99.39) and Turkey (99.07) also demonstrate rising IQ scores, attributed to modernization efforts in education and infrastructure.

4. Southeast Asian Countries Making Strides

Singapore leads Southeast Asia with an average IQ of 105.14, renowned for its world-class education system. Malaysia (100.48) and Vietnam (100.12) are also noteworthy, thanks to government policies focused on improving literacy and science education, allowing these nations to climb in the global IQ rankings.

5. Western Countries Exhibit Stable Performance

The United States averages 99.74, maintaining a strong but slightly lower position than many Asian nations. European countries like France (101.42), Germany (99.64), and the UK (99.68) hover close to the 100 mark, their scores indicative of diverse educational systems and wealth disparities.

6. Nordic Countries Continue to Shine

Norway (98.52), Sweden (98.49), and Iceland (99.99) showcase high intelligence levels, often linked to excellent social welfare and education systems. Their investments in early childhood education and research bode well for future IQ scores.

7. Emerging Economies Show Notable Gains

India’s average IQ stands at 99.08, a testament to rapid educational reforms and increased access to quality schooling. Similarly, countries like Nigeria and Indonesia are making gradual improvements, highlighting the importance of global development efforts.

8. Countries with Lower Average IQs

Some nations like Bangladesh (96.46), Morocco (96.78), and Jordan (96.71) score lower on the scale, often impacted by socioeconomic challenges and disparities in educational quality. However, ongoing development initiatives suggest these scores could improve over time.

9. Underrepresented Regions and Challenges

Certain African nations and some Middle Eastern countries continue to face barriers such as conflict, poverty, and resource limitations, affecting their average IQ scores. International aid and education programs remain crucial for bridging these gaps.

10. Insights from the Data

This study, based on over 1.39 million test takers worldwide, paints a complex yet hopeful picture of global intelligence levels. Countries investing in education, technology, and healthcare tend to perform better, emphasizing the importance of these sectors in shaping intellectual capacity.

Sources: International IQ Test 2025

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Note: These numbers reflect the average IQ scores based on standardized testing data collected worldwide in 2025 and are intended to give a broad understanding of global cognitive capacity.