Sierra Leone Population Pyramid 2023
Year
2023Sierra Leone in 2023
In 2023, Sierra Leone had a total population of 8,460,512 people. That is 26.0% more than in 2013, when the population stood at 6,714,052.
Half of the population was younger than 20.3 years; 38.5% were children under 15 and 3.2% were 65 or older. This is an expansive pyramid — each cohort of children is larger than the one above it, the signature of high birth rates and rapid 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 | 8,460,512 | 20.3 | |
| Togo | 9,304,338 | 19.8 | |
| Liberia | 5,493,031 | 19.4 | |
| Mauritania | 5,022,442 | 18.2 | |
| Benin | 14,111,035 | 18.8 |





