IQ Career Lab

Average IQ in Guinea

Guinea has an average IQ of 70, ranking #187 out of 195 countries globally. This is considered below the global average on the worldwide scale.

70
Average IQ Score
Below 80 (Below 80) · Rank #187 of 195
Source: Becker (2019) (2019)

Key Statistics

Population
14,200,000
GDP per Capita (PPP)
$2,960
World Bank, 2023
Literacy Rate
32%
UNESCO, 2023
Human Development Index
0.465
UNDP, 2023
Mean Years of Schooling
2.8
Adults 25+
Education Expenditure
2.2%
% of GDP

Education System in Guinea

Guinea provides 6 years of compulsory primary education in French. Despite mineral wealth, education infrastructure remains severely underdeveloped, particularly in rural areas.

IQ and Economic Development

Guinea's GDP per capita of $2,960 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 2.8 average years of schooling and a 2.2% GDP investment in education, Guinea has room to increase education investment relative to GDP.

Countries with Similar IQ Scores

Africa Rankings

Data Sources for Guinea

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

What's your IQ?

Compare your score to Guinea's average of 70. Take our scientifically designed IQ assessment and get your exact score.

Free to start. No credit card required.

Stay updated