Nigeria Population Pyramid 2009
Nigeria in 2009
As of 2009, Nigeria counted 162,049,464 inhabitants. A decade earlier, in 1999, the population was 123,047,320; it has grown by 31.7% since.
With a median age of 17.8 years, Nigeria had a youth dependency ratio of 84.3 and an old-age dependency ratio of 5.7 per 100 people of working age. The broad-based, expansive shape of the pyramid points to high fertility and strong population growth.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
In 2023 women in Nigeria had on average 4.48 children, above the replacement level of 2.1.
Source: World Bank World Development Indicators, latest available year.
A child born there in 2023 could expect to live 54.5 years on average (54.7 years for girls, 54.2 for boys).
Source: World Bank World Development Indicators, latest available year.
1,262,314 immigrants live in Nigeria, 0.5% of the population.
| Benin | 404,468 |
| Ghana | 255,531 |
| Mali | 184,965 |
| Togo | 169,717 |
| Niger | 129,540 |
2,094,162 people born in Nigeria live in other countries.
| United States of America | 565,053 |
| United Kingdom | 324,007 |
| Niger | 199,722 |
| Cameroon | 188,266 |
| Italy | 112,792 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Nigeria | 162,049,464 | 17.8 | |
| Ghana | 24,862,665 | 20.0 | |
| Côte d'Ivoire | 21,997,940 | 17.3 | |
| Niger | 15,943,676 | 15.4 | |
| Burkina Faso | 15,710,066 | 17.1 |





