Population aged 14 years or younger in Sierra Leone
Sierra Leone: Population aged 14 years or younger was 3,307 thousands in 2025. β² Rising
Population aged 14 years or younger in Sierra Leone, 1970β2025
Source: UNESCO Institute for Statistics. Measured in thousands.
Analysis
In 2025, population aged 14 years or younger in Sierra Leone stood at 3,307 thousands. That is the highest value across all 56 years on record.
The figure is up 0.9% on the previous year and up 13.1% over ten years.
Over the whole period, population aged 14 years or younger in Sierra Leone peaked at 3,307 thousands in 2025 and was at its lowest, 1,081 thousands, in 1970.
That places Sierra Leone 84th out of 226 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 | 1,202 thousands | 1,081 thousands | 1,326 thousands | 10 |
| 1980s | 1,517 thousands | 1,356 thousands | 1,708 thousands | 10 |
| 1990s | 1,821 thousands | 1,750 thousands | 1,882 thousands | 10 |
| 2000s | 2,299 thousands | 1,896 thousands | 2,593 thousands | 10 |
| 2010s | 2,889 thousands | 2,658 thousands | 3,087 thousands | 10 |
| 2020s | 3,223 thousands | 3,129 thousands | 3,307 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)
- Projected population under age 5, annual growth rate -0.6516 % change on previous year (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)
Frequently asked questions
- What is population aged 14 years or younger in Sierra Leone?
- Population aged 14 years or younger in Sierra Leone was 3,307 thousands in 2025, according to UNESCO Institute for Statistics.
- What is the highest population aged 14 years or younger recorded in Sierra Leone?
- The highest recorded value was 3,307 thousands in 2025.
- What is the lowest population aged 14 years or younger recorded in Sierra Leone?
- The lowest recorded value was 1,081 thousands in 1970.
- How does Sierra Leone rank for population aged 14 years or younger?
- Sierra Leone ranks 84th out of 226 countries with data for 2025.
- Is population aged 14 years or younger rising or falling in Sierra Leone?
- Over the last ten years it is up 13.1%. 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 14 years or younger (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