Number of 1-year-olds, by sex in Sierra Leone
Sierra Leone: Number of 1-year-olds, by sex was 116,609 people in 2023. ▲ Rising
Number of 1-year-olds, by sex 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 number of 1-year-olds, by sex in Sierra Leone is 116,609 people, measured in 2023. That is the highest value across all 74 years on record.
The figure is up 0.7% on the previous year and up 7.5% over ten years.
Over the whole period, number of 1-year-olds, by sex in Sierra Leone peaked at 116,609 people in 2023 and was at its lowest, 33,160 people, in 1950.
That places Sierra Leone 79th out of 236 countries with data for 2023, putting it 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 | 35,968 people | 33,160 people | 38,809 people | 10 |
| 1960s | 43,442 people | 39,527 people | 47,429 people | 10 |
| 1970s | 52,713 people | 48,231 people | 57,617 people | 10 |
| 1980s | 65,274 people | 58,816 people | 72,969 people | 10 |
| 1990s | 76,406 people | 75,121 people | 78,532 people | 10 |
| 2000s | 93,869 people | 80,424 people | 102,304 people | 10 |
| 2010s | 108,498 people | 104,279 people | 112,593 people | 10 |
| 2020s | 115,302 people | 113,894 people | 116,609 people | 4 |
Countries ranked near Sierra Leone
More reference data data for Sierra Leone
- Spring temperature anomalies 0.1247 °C (2026)
- Temperature anomalies by month 0.2824 °C (2026)
- Summer temperature anomalies 0.8874 °C (2026)
- Autumn temperature anomalies 0.1314 °C (2025)
- Universal right to vote 2 (2025)
- Winter temperature anomalies 0.1178 °C (2025)
- Consumer price index 771.75 2010 = 100 (2025)
- Universal right to vote in practice 2 (2025)
- Free country 1 (2025)
- Democracy 3 (2025)
Frequently asked questions
- What is number of 1-year-olds, by sex in Sierra Leone?
- Number of 1-year-olds, by sex in Sierra Leone was 116,609 people in 2023, according to UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest number of 1-year-olds, by sex recorded in Sierra Leone?
- The highest recorded value was 116,609 people in 2023.
- What is the lowest number of 1-year-olds, by sex recorded in Sierra Leone?
- The lowest recorded value was 33,160 people in 1950.
- How does Sierra Leone rank for number of 1-year-olds, by sex?
- Sierra Leone ranks 79th out of 236 countries with data for 2023.
- Is number of 1-year-olds, by sex rising or falling in Sierra Leone?
- Over the last ten years it is up 7.5%. 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 Number of 1-year-olds, by sex. 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 women aged 1.