# Population in Sierra Leone

Population in Sierra Leone was 8.82 million in 2025. Source: World Bank.

- Indicator id: `population`
- Place id: `sl`
- Unit: persons
- Definition: Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.
- Note: For Denmark, Statistics Denmark counts the registered resident population on 1 January. Greenland and the Faroe Islands are excluded. The annual series selects the first-quarter reference date from FOLK1A. The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.
- Source: World Bank, Population, total (SP.POP.TOTL) (https://data.worldbank.org/indicator/SP.POP.TOTL)
- Retrieved: 2026-10-09
- License: CC BY 4.0 (commercial and non-commercial reuse, attribution required)
- Citation: World Bank, World Development Indicators. Population, total (SP.POP.TOTL). https://data.worldbank.org/indicator/SP.POP.TOTL. Retrieved 2026-10-09.
- Web page: https://invokely.ai/en/population/sierra-leone
- CSV: https://invokely.ai/download/population/sierra-leone.csv
- API: https://invokely.ai/api/v1/series?indicator=population&place=sl

| Period | persons |
|---|---:|
| 2025 | 8,819,794 |
| 2024 | 8,642,022 |
| 2023 | 8,460,512 |
| 2022 | 8,276,807 |
| 2021 | 8,094,602 |
| 2020 | 7,912,558 |
| 2019 | 7,731,991 |
| 2018 | 7,554,563 |
| 2017 | 7,379,299 |
| 2016 | 7,205,328 |
| 2015 | 7,037,655 |
| 2014 | 6,876,385 |
| 2013 | 6,714,051 |
| 2012 | 6,551,080 |
| 2011 | 6,387,251 |
| 2010 | 6,222,714 |
| 2009 | 6,055,646 |
| 2008 | 5,894,722 |
| 2007 | 5,749,352 |
| 2006 | 5,624,466 |
| 2005 | 5,501,712 |
| 2004 | 5,355,717 |
| 2003 | 5,177,687 |
| 2002 | 4,971,435 |
| 2001 | 4,692,716 |
| 2000 | 4,423,611 |
| 1999 | 4,318,043 |
| 1998 | 4,295,785 |
| 1997 | 4,253,716 |
| 1996 | 4,199,210 |
| 1995 | 4,179,179 |
| 1994 | 4,173,105 |
| 1993 | 4,157,130 |
| 1992 | 4,166,366 |
| 1991 | 4,246,267 |
| 1990 | 4,196,828 |
| 1989 | 4,034,037 |
| 1988 | 3,934,517 |
| 1987 | 3,829,718 |
| 1986 | 3,728,380 |
| 1985 | 3,638,438 |
| 1984 | 3,558,758 |
| 1983 | 3,481,646 |
| 1982 | 3,408,183 |
| 1981 | 3,338,940 |
| 1980 | 3,272,089 |
| 1979 | 3,207,499 |
| 1978 | 3,145,517 |
| 1977 | 3,085,354 |
| 1976 | 3,028,820 |
| 1975 | 2,974,657 |
| 1974 | 2,920,459 |
| 1973 | 2,866,955 |
| 1972 | 2,814,388 |
| 1971 | 2,763,222 |
| 1970 | 2,712,286 |
| 1969 | 2,661,365 |
| 1968 | 2,611,532 |
| 1967 | 2,562,384 |
| 1966 | 2,514,638 |
| 1965 | 2,468,666 |
| 1964 | 2,424,390 |
| 1963 | 2,382,258 |
| 1962 | 2,342,242 |
| 1961 | 2,304,227 |
| 1960 | 2,268,356 |