Benin Population Pyramid 2042
Benin in 2042
By 2042, the population of Benin is expected to reach 21,242,981. That would be 22.4% more than in 2032 (17,357,064).
Half of the population would be younger than 22.4 years, with 35.3% children under 15 and 4.1% aged 65 or older. The pyramid is expansive: its wide base of young cohorts reflects high fertility and a rapidly growing population.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
The fertility rate of Benin was 4.56 births per woman in 2023, above the 2.1 needed to replace each generation.
Source: World Bank World Development Indicators, latest available year.
A child born there in 2023 could expect to live 60.8 years on average (62.2 years for girls, 59.3 for boys).
Source: World Bank World Development Indicators, latest available year.
373,677 immigrants live in Benin, 2.6% of the population.
| Togo | 120,390 |
| Nigeria | 92,433 |
| Niger | 82,865 |
| Côte d'Ivoire | 36,443 |
| Ghana | 17,211 |
726,530 people born in Benin live in other countries.
| Nigeria | 404,468 |
| Côte d'Ivoire | 75,331 |
| Togo | 72,863 |
| Gabon | 56,627 |
| France | 31,581 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Benin | 21,242,981 | 22.4 | |
| Guinea | 20,830,652 | 23.2 | |
| Senegal | 26,716,433 | 24.7 | |
| Togo | 13,604,977 | 23.0 | |
| Sierra Leone | 11,728,792 | 25.1 |





