Population aged 25-64 years (thousands) in Sierra Leone
Sierra Leone: Population aged 25-64 years (thousands) was 3,338 thousands in 2025. ▲ Rising
Latest (2025)
3,338 thousands
Change on year
up 3.2%
World rank
110th
of 233 countries
All-time high
3,338 thousands
in 2025
All-time low
1,034 thousands
in 1970
Years of data
56
1970–2025
Population aged 25-64 years in Sierra Leone, 1970–2025
Source: UNESCO Institute for Statistics. Measured in thousands.
Analysis
The most recent figure for population aged 25-64 years in Sierra Leone is 3,338 thousands, measured in 2025. That is the highest value across all 56 years on record.
The figure is up 3.2% on the previous year and up 37.9% over ten years.
Over the whole period, population aged 25-64 years in Sierra Leone peaked at 3,338 thousands in 2025 and was at its lowest, 1,034 thousands, in 1970.
That places Sierra Leone 110th out of 233 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 56 years of available data.
Population aged 25-64 years (thousands) in Sierra Leone, year by year
| Year | thousands | Change |
|---|---|---|
| 1970 | 1,034 thousands | — |
| 1971 | 1,050 thousands | +1.6% |
| 1972 | 1,066 thousands | +1.5% |
| 1973 | 1,081 thousands | +1.5% |
| 1974 | 1,093 thousands | +1.1% |
| 1975 | 1,103 thousands | +0.9% |
| 1976 | 1,115 thousands | +1.1% |
| 1977 | 1,127 thousands | +1.1% |
| 1978 | 1,141 thousands | +1.2% |
| 1979 | 1,155 thousands | +1.2% |
| 1980 | 1,171 thousands | +1.3% |
| 1981 | 1,188 thousands | +1.5% |
| 1982 | 1,205 thousands | +1.5% |
| 1983 | 1,224 thousands | +1.6% |
| 1984 | 1,245 thousands | +1.7% |
| 1985 | 1,267 thousands | +1.8% |
| 1986 | 1,290 thousands | +1.8% |
| 1987 | 1,320 thousands | +2.3% |
| 1988 | 1,351 thousands | +2.4% |
| 1989 | 1,384 thousands | +2.4% |
| 1990 | 1,412 thousands | +2.1% |
| 1991 | 1,488 thousands | +5.4% |
| 1992 | 1,438 thousands | -3.4% |
| 1993 | 1,425 thousands | -0.9% |
| 1994 | 1,424 thousands | -0.1% |
| 1995 | 1,428 thousands | +0.3% |
| 1996 | 1,420 thousands | -0.6% |
| 1997 | 1,434 thousands | +1.0% |
| 1998 | 1,449 thousands | +1.1% |
| 1999 | 1,454 thousands | +0.4% |
| 2000 | 1,455 thousands | +0.1% |
| 2001 | 1,518 thousands | +4.3% |
| 2002 | 1,631 thousands | +7.5% |
| 2003 | 1,701 thousands | +4.3% |
| 2004 | 1,767 thousands | +3.9% |
| 2005 | 1,821 thousands | +3.1% |
| 2006 | 1,869 thousands | +2.6% |
| 2007 | 1,910 thousands | +2.2% |
| 2008 | 1,961 thousands | +2.7% |
| 2009 | 2,017 thousands | +2.9% |
| 2010 | 2,081 thousands | +3.2% |
| 2011 | 2,144 thousands | +3.0% |
| 2012 | 2,210 thousands | +3.1% |
| 2013 | 2,276 thousands | +3.0% |
| 2014 | 2,348 thousands | +3.1% |
| 2015 | 2,421 thousands | +3.1% |
| 2016 | 2,496 thousands | +3.1% |
| 2017 | 2,578 thousands | +3.3% |
| 2018 | 2,662 thousands | +3.3% |
| 2019 | 2,750 thousands | +3.3% |
| 2020 | 2,840 thousands | +3.3% |
| 2021 | 2,934 thousands | +3.3% |
| 2022 | 3,030 thousands | +3.3% |
| 2023 | 3,130 thousands | +3.3% |
| 2024 | 3,234 thousands | +3.3% |
| 2025 | 3,338 thousands | +3.2% |
Sierra Leone compared with similar countries
- Sierra Leone's 3,338 thousands is below the median for low income countries, which is 7,739 thousands, 43% of the median. (25 countries reporting)
- Sierra Leone's 3,338 thousands is below the median for Sub-Saharan Africa, which is 5,397 thousands, 62% of the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 1,097 thousands | 1,034 thousands | 1,155 thousands | 10 |
| 1980s | 1,265 thousands | 1,171 thousands | 1,384 thousands | 10 |
| 1990s | 1,437 thousands | 1,412 thousands | 1,488 thousands | 10 |
| 2000s | 1,765 thousands | 1,455 thousands | 2,017 thousands | 10 |
| 2010s | 2,397 thousands | 2,081 thousands | 2,750 thousands | 10 |
| 2020s | 3,084 thousands | 2,840 thousands | 3,338 thousands | 6 |
Countries ranked near Sierra Leone
More population data for Sierra Leone
- Population regions with projections, annual growth rate -0.1141 % change on previous year (2100)
- Urban and rural population 2050, annual growth rate -1.21 % change on previous year (2050)
- Population long run with projections, annual growth rate -0.1141 % change on previous year (2100)
- Un population 2024 vs 2022, annual growth rate -0.076 % change on previous year (2100)
- Africa's Development Dynamics (AfDD) Table 05 - Demographic estimates 13,595 Persons (2050)
- Africa's Development Dynamics (AfDD) Table 03 - Annual population 1.9 Percent per annum (2030)
- Projected population under age 5, annual growth rate -0.6516 % change on previous year (2100)
- World population growth -0.1% (2100)
- Population density 220.76 people per km² (2100)
- Number of children under 5, by world region 983,692 people (2100)
Frequently asked questions
- What is population aged 25-64 years in Sierra Leone?
- Population aged 25-64 years in Sierra Leone was 3,338 thousands in 2025, according to UNESCO Institute for Statistics.
- What is the highest population aged 25-64 years recorded in Sierra Leone?
- The highest recorded value was 3,338 thousands in 2025.
- What is the lowest population aged 25-64 years recorded in Sierra Leone?
- The lowest recorded value was 1,034 thousands in 1970.
- How does Sierra Leone rank for population aged 25-64 years?
- Sierra Leone ranks 110th out of 233 countries with data for 2025.
- Is population aged 25-64 years rising or falling in Sierra Leone?
- Over the last ten years it is up 37.9%. The long-run trend across the full record is rising.
- Where does this Sierra Leone data come from?
- The figures come from UNESCO Institute for Statistics, published as part of Population aged 25-64 years (thousands). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 56 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release