Population by age group in Sierra Leone
Sierra Leone: Population by age group was 1.16 million people in 2023. ▲ Rising
Population by age group in Sierra Leone, 1950–2023
Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in people.
Analysis
The most recent figure for population by age group in Sierra Leone is 1.16 million people, measured in 2023. That is the highest value across all 74 years on record.
The figure is up 0.9% on the previous year and up 8.9% over ten years.
Over the whole period, population by age group in Sierra Leone peaked at 1.16 million people in 2023 and was at its lowest, 318,190 people, in 1952.
Sierra Leone ranks 80th of 236 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 74 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 332,678 people | 318,190 people | 358,176 people | 10 |
| 1960s | 405,132 people | 365,723 people | 445,946 people | 10 |
| 1970s | 499,052 people | 454,926 people | 547,536 people | 10 |
| 1980s | 622,977 people | 559,116 people | 697,959 people | 10 |
| 1990s | 733,930 people | 720,694 people | 756,679 people | 10 |
| 2000s | 916,274 people | 776,794 people | 1.00 million people | 10 |
| 2010s | 1.07 million people | 1.02 million people | 1.12 million people | 10 |
| 2020s | 1.15 million people | 1.13 million people | 1.16 million people | 4 |
Countries ranked near Sierra Leone
More population data for Sierra Leone
- Population growth rate, by level of development -0.1% (2100)
- Number of children under 5, by world region 983,692 people (2100)
- Population density 220.76 people per km² (2100)
- World population growth -0.1% (2100)
- Total fertility rate vs. wanted fertility rate 3.7 births per woman (2024)
- Refugees by country of asylum 0 people (2024)
- Fertility rate vs. unmet need for contraception 3.7 births per woman (2024)
- Total fertility rate vs. contraceptive prevalence 3.7 births per woman (2024)
- Natural population growth rate 2.2% (2023)
- Fertility rate: births per woman 3.79 live births per woman (2023)
Frequently asked questions
- What is population by age group in Sierra Leone?
- Population by age group in Sierra Leone was 1.16 million people in 2023, according to UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest population by age group recorded in Sierra Leone?
- The highest recorded value was 1.16 million people in 2023.
- What is the lowest population by age group recorded in Sierra Leone?
- The lowest recorded value was 318,190 people in 1952.
- How does Sierra Leone rank for population by age group?
- Sierra Leone ranks 80th out of 236 countries with data for 2023.
- Is population by age group rising or falling in Sierra Leone?
- Over the last ten years it is up 8.9%. The long-run trend across the full record is rising.
- Where does this Sierra Leone data come from?
- The figures come from UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Population by age group. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 74 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The total population, measured on 1 July of the year shown. This only includes people aged 0-4.