Population aged 15-24 years in Sierra Leone
Sierra Leone: Population aged 15-24 years was 1,801 thousands in 2025. β² Rising
Population aged 15-24 years in Sierra Leone, 1970β2025
Source: UNESCO Institute for Statistics. Measured in thousands.
Analysis
Sierra Leone recorded 1,801 thousands for population aged 15-24 years in 2025. That is the highest value across all 56 years on record.
That represents a change of up 2.0% on the previous year and up 29.4% over ten years.
Over the whole period, population aged 15-24 years in Sierra Leone peaked at 1,801 thousands in 2025 and was at its lowest, 461.14 thousands, in 1970.
That places Sierra Leone 86th 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 | 504.54 thousands | 461.14 thousands | 562.37 thousands | 10 |
| 1980s | 652.99 thousands | 577.58 thousands | 737.51 thousands | 10 |
| 1990s | 789.27 thousands | 756.92 thousands | 817.62 thousands | 10 |
| 2000s | 1,011 thousands | 821.84 thousands | 1,162 thousands | 10 |
| 2010s | 1,376 thousands | 1,199 thousands | 1,566 thousands | 10 |
| 2020s | 1,706 thousands | 1,607 thousands | 1,801 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 15-24 years in Sierra Leone?
- Population aged 15-24 years in Sierra Leone was 1,801 thousands in 2025, according to UNESCO Institute for Statistics.
- What is the highest population aged 15-24 years recorded in Sierra Leone?
- The highest recorded value was 1,801 thousands in 2025.
- What is the lowest population aged 15-24 years recorded in Sierra Leone?
- The lowest recorded value was 461.14 thousands in 1970.
- How does Sierra Leone rank for population aged 15-24 years?
- Sierra Leone ranks 86th out of 230 countries with data for 2025.
- Is population aged 15-24 years rising or falling in Sierra Leone?
- Over the last ten years it is up 29.4%. 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 15-24 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