Population aged 25-64 years in Sierra Leone
Sierra Leone: Population aged 25-64 years was 3,338 thousands in 2025. β² Rising
Population aged 25-64 years in Sierra Leone, 1970β2025
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 109th out of 230 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.
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 growth rate by level of development -0.137 (2100)
- Projected population under age 5 983,692 (2100)
- Population density 220.76 (2100)
- Population growth rate -0.137 (2100)
- Fertility and wanted fertility 3.7 (2024)
- Refugee population by country or territory of asylum 0 (2024)
- Fertility vs unmet contraception 3.7 (2024)
- Fertility vs contraception 3.7 (2024)
- Natural population growth 2.23 (2023)
- Fertility rate with projections 3.79 (2023)
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 109th out of 230 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 Β· JSON β 56 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release