Sierra Leone Population Pyramid 2017
Year
2017Sierra Leone in 2017
In 2017, Sierra Leone had a total population of 7,379,299 people. Over the previous ten years the population grew by 28.4%, up from 5,749,352 in 2007.
The median age was 19.1 years, and for every 100 people of working age (15–64) there were 73.5 children under 15 and 5.6 people aged 65 or over. 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.
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 | 7,379,299 | 19.1 | |
| Togo | 8,057,140 | 19.3 | |
| Liberia | 4,848,925 | 18.7 | |
| Mauritania | 4,210,600 | 17.8 | |
| Benin | 12,039,780 | 18.3 |





