Benin Population Pyramid 2035
Benin in 2035
By 2035, the population of Benin is expected to reach 18,492,632. That would be 24.8% more than in 2025 (14,814,460).
Half of the population would be younger than 20.9 years, with 37.5% children under 15 and 3.7% 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 | 18,492,632 | 20.9 | |
| Guinea | 18,486,013 | 21.4 | |
| Senegal | 23,476,597 | 23.1 | |
| Togo | 11,937,684 | 21.9 | |
| Sierra Leone | 10,563,168 | 23.3 |





