IQ Career Lab

Average IQ in Yemen

Yemen has an average IQ of 80, ranking #146 out of 195 countries globally. This is considered below average on the worldwide scale.

80
Average IQ Score
Below Average (80–87) · Rank #146 of 195
Source: Lynn & Vanhanen (2012) (2012)

Key Statistics

Population
33,700,000
GDP per Capita (PPP)
$2,560
World Bank, 2023
Literacy Rate
54%
UNESCO, 2023
Human Development Index
0.455
UNDP, 2023
Mean Years of Schooling
3.2
Adults 25+
Education Expenditure
4.6%
% of GDP

Education System in Yemen

Yemen's education system has been devastated by ongoing civil conflict. Pre-conflict challenges included low enrollment rates, particularly for girls in rural areas.

IQ and Economic Development

Yemen's GDP per capita of $2,560 reflects a lower-income economy. Research shows a moderate correlation (r ≈ 0.7) between national GDP and measured IQ, though this relationship is complex and bidirectional.

With 3.2 average years of schooling and a 4.6% GDP investment in education, Yemen maintains a moderate investment in education.

Countries with Similar IQ Scores

Asia Rankings

Data Sources for Yemen

IQ Score:Lynn & Vanhanen (2012) (2012) — from "Intelligence: A Unifying Construct." Some estimates in this dataset may be imputed from educational achievement data rather than direct testing.
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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