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Average IQ in San Marino

San Marino has an average IQ of 99, ranking #37 out of 195 countries globally. This is considered above average on the worldwide scale.

99
Average IQ Score
Above Average (95–99) · Rank #37 of 195
Source: World Population Review (2025) (2025)

Key Statistics

Population
34,000
GDP per Capita (PPP)
$60,650
World Bank, 2023
Literacy Rate
99%
UNESCO, 2023
Human Development Index
0.853
UNDP, 2023
Mean Years of Schooling
12.4
Adults 25+
Education Expenditure
3.4%
% of GDP

Education System in San Marino

San Marino provides free compulsory education through age 16, closely aligned with the Italian system. Many students continue higher education at Italian universities.

IQ and Economic Development

San Marino's GDP per capita of $60,650 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 12.4 average years of schooling and a 3.4% GDP investment in education, San Marino has room to increase education investment relative to GDP.

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Countries with Similar IQ Scores

99
Vietnam
Asia
99
Croatia
Europe
99
Slovakia
Europe
99
Slovenia
Europe
99
Andorra
Europe
100
Israel
Asia

Europe Rankings

#CountryAvg IQ
1Finland103
2Netherlands103
3Germany103
4Switzerland103
5Austria102
6United Kingdom102
7Sweden102
8Italy102
9Estonia102
10Iceland102

Data Sources for San Marino

IQ Score:World Population Review (2025) (2025) (aggregated estimate). Peer-reviewed primary sources were unavailable for this country; treat as a rougher approximation.
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.

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