Average IQ by country
Comparing 99 countries worldwide. Source: IQResearch / Lynn & Vanhanen
Data last updated: January 2025
Average IQ by country by Country
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Average IQ by country Statistics
Average IQ by country Ranking
Compare Countries by Average IQ by country
Compare average iq by country and trends between any two countries with detailed historical data and charts.
Average IQ by country Statistics and Analysis
Average IQ by country varies significantly across countries worldwide, reflecting differences in economic development, healthcare, education, and social factors. Understanding these variations helps assess global trends and identify factors that influence demographic and social outcomes.
The data presented here is sourced from IQResearch / Lynn & Vanhanen and updated regularly to ensure accuracy. All statistics are based on the latest available data and include historical trends to provide comprehensive insights into global patterns.
For more detailed analysis, explore our population statistics and country comparison tools to compare multiple indicators and countries side by side.
Data Sources
All data presented on this page is sourced from reputable international organizations and updated regularly to ensure accuracy and reliability.
- World Bank: Population statistics, demographic data, and economic indicators
- UN (United Nations): Population data, demographic statistics, and development indicators
- UNHCR: Refugee statistics and migration data
- UNESCO: Education statistics and literacy data
- Our World in Data: Body height and health statistics
- Numbeo: Quality of life indices
- IQResearch / Lynn & Vanhanen: IQ statistics
Data is updated monthly. Last update: January 2025
How to read this ranking
This page compares average iq by country across countries using the latest available country-level observations. Use the ranking to identify high and low values, compare countries with similar regions or income levels, and open country profiles for broader economic and demographic context.
Methodology
GlobalStats selects the latest non-null value for each country from the indicator series and excludes regional aggregates where possible. The primary source for this indicator is IQResearch / Lynn & Vanhanen. Data was last updated January 2025.
Key findings
- Hong Kong SAR, China is among the top countries for average iq by country with a latest value of 108.0 IQ points.
- Singapore is among the top countries for average iq by country with a latest value of 108.0 IQ points.
- Korea, Rep. is among the top countries for average iq by country with a latest value of 106.0 IQ points.
- The ranking covers 99 countries with available data, supporting broader comparison than short top-20 lists.