Vaccination coverage in Sierra Leone
Sierra Leone: Vaccination coverage was 91.0% in 2024. ▲ Rising
Vaccination coverage in Sierra Leone, 2007–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
Sierra Leone recorded 91.0% for vaccination coverage in 2024.
Compared with earlier readings it is up 9.6% over ten years.
Over the whole period, vaccination coverage in Sierra Leone peaked at 95.0% in 2019 and was at its lowest, 63.0%, in 2007.
That places Sierra Leone 86th out of 189 countries with data for 2024, putting it in the middle of the range.
The long-run direction has been consistently rising across the 18 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 74.7% | 63.0% | 84.0% | 3 |
| 2010s | 88.9% | 83.0% | 95.0% | 10 |
| 2020s | 91.2% | 91.0% | 92.0% | 5 |
Countries ranked near Sierra Leone
More health data for Sierra Leone
- Estimated changes in temperature-related death rates compared to projected death rates 1,199 deaths per 1,000 people (2090)
- Number of infants who die before age 1 4,209 deaths (2100)
- Deaths in armed conflicts based on where they occurred 0 deaths (2026)
- Deaths in armed conflicts by region 0 deaths (2026)
- Age population, age 25, male, interpolated 79,693 (2025)
- Age population, age 25, female, interpolated 79,021 (2025)
- Age population, age 24, male, interpolated 82,252 (2025)
- Age population, age 24, female, interpolated 81,100 (2025)
- Age population, age 23, male, interpolated 84,700 (2025)
- Age population, age 23, female, interpolated 83,425 (2025)
Frequently asked questions
- What is vaccination coverage in Sierra Leone?
- Vaccination coverage in Sierra Leone was 91.0% in 2024, according to WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest vaccination coverage recorded in Sierra Leone?
- The highest recorded value was 95.0% in 2019.
- What is the lowest vaccination coverage recorded in Sierra Leone?
- The lowest recorded value was 63.0% in 2007.
- How does Sierra Leone rank for vaccination coverage?
- Sierra Leone ranks 86th out of 189 countries with data for 2024.
- Is vaccination coverage rising or falling in Sierra Leone?
- Over the last ten years it is up 9.6%. The long-run trend across the full record is rising.
- Where does this Sierra Leone data come from?
- The figures come from WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Vaccination coverage. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 18 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Share of one-year-olds who have had three doses of the hepatitis B vaccine in a given year.