Sierra Leone Population Pyramid 1989
Year
1989Sierra Leone in 1989
As of 1989, Sierra Leone counted 4,034,037 inhabitants. A decade earlier, in 1979, the population was 3,207,499; it has grown by 25.8% since.
With a median age of 18.6 years, Sierra Leone had a youth dependency ratio of 80.6 and an old-age dependency ratio of 7.5 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 Sierra Leone had on average 3.79 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 61.8 years on average (63.5 years for girls, 60.1 for boys).
Source: World Bank World Development Indicators, latest available year.
49,156 immigrants live in Sierra Leone, 0.6% of the population.
| Guinea | 33,542 |
| Liberia | 8,462 |
| Nigeria | 2,024 |
| India | 892 |
| Ghana | 874 |
63,631 people born in Sierra Leone live in other countries.
| Senegal | 15,843 |
| Liberia | 13,878 |
| Guinea | 8,065 |
| Nigeria | 4,679 |
| Australia | 4,218 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Sierra Leone | 4,034,037 | 18.6 | |
| Togo | 3,883,411 | 17.2 | |
| Benin | 5,121,657 | 16.9 | |
| Liberia | 2,517,858 | 17.9 | |
| Mauritania | 1,903,048 | 17.1 |





