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Average IQ in Singapore

Singapore has an average IQ of 108, ranking #1 out of 195 countries globally. This is considered very high on the worldwide scale.

108
Average IQ Score
Very High (105+) · Rank #1 of 195
Source: Becker (2019) (2019)

Key Statistics

Population
5,920,000
GDP per Capita (PPP)
$102,740
World Bank, 2023
Literacy Rate
97%
UNESCO, 2023
Human Development Index
0.939
UNDP, 2023
Mean Years of Schooling
11.9
Adults 25+
Education Expenditure
2.9%
% of GDP

Education System in Singapore

Singapore's education system consistently ranks #1 globally on PISA. Features streaming based on ability, bilingual policy, and strong STEM emphasis. Known for its rigorous mathematics curriculum.

IQ and Economic Development

Singapore's GDP per capita of $102,740 places it among the world's wealthier nations. Research shows a moderate correlation (r ≈ 0.7) between national GDP and measured IQ, though this relationship is complex and bidirectional.

With 11.9 average years of schooling and a 2.9% GDP investment in education, Singapore has room to increase education investment relative to GDP.

Countries with Similar IQ Scores

106
Japan
Asia
106
South Korea
Asia
106
China
Asia
103
Finland
Europe
103
Netherlands
Europe
103
Germany
Europe

Asia Rankings

#CountryAvg IQ
1Japan106
2South Korea106
3China106
4North Korea102
5Mongolia101
6Israel100
7Vietnam99
8Kazakhstan96
9Malaysia95
10Georgia94

Data Sources for Singapore

IQ Score:Becker (2019) (2019) (from the NIQ Dataset v1.3.3, the most comprehensive meta-analysis of national cognitive testing studies).
GDP & Education Spending:World Bank (2023)
HDI & Schooling:UNDP Human Development Report (2023–2024)
Literacy Rate:UNESCO Institute for Statistics (2023)
Population:UN World Population Prospects (2024)

National IQ estimates are approximate and based on meta-analyses of available cognitive testing data (Becker, 2019; Lynn & Vanhanen, 2012; World Population Review, 2025). These scores reflect measured test performance and are influenced by education, nutrition, healthcare, and socioeconomic factors — they do not measure innate intelligence. Within-country variation is much larger than between-country differences. IQ tests developed in Western contexts may not translate fairly across all cultures. Interpret with appropriate caution.

See the full methodology on our main IQ by Country page for complete source descriptions and data quality notes.

Frequently Asked Questions

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