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.
Vaccination coverage in Sierra Leone, year by year
| Year | % | Change |
|---|---|---|
| 2007 | 63.0% | — |
| 2008 | 77.0% | +22.2% |
| 2009 | 84.0% | +9.1% |
| 2010 | 86.0% | +2.4% |
| 2011 | 89.0% | +3.5% |
| 2012 | 91.0% | +2.2% |
| 2013 | 92.0% | +1.1% |
| 2014 | 83.0% | -9.8% |
| 2015 | 86.0% | +3.6% |
| 2016 | 84.0% | -2.3% |
| 2017 | 90.0% | +7.1% |
| 2018 | 93.0% | +3.3% |
| 2019 | 95.0% | +2.2% |
| 2020 | 91.0% | -4.2% |
| 2021 | 92.0% | +1.1% |
| 2022 | 91.0% | -1.1% |
| 2023 | 91.0% | +0.0% |
| 2024 | 91.0% | +0.0% |
Sierra Leone compared with similar countries
- Sierra Leone's 91.0% is above the median for low income countries, which is 73.0%, 1.2× the median. (25 countries reporting)
- Sierra Leone's 91.0% is above the median for Sub-Saharan Africa, which is 82.5%, 1.1× the median. (48 countries reporting)
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
- Un projection of annual infant deaths, annual growth rate -2.34 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.773 % change on previous year (2090)
- 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)
- Neonatal tetanus - number of reported cases, gaps filled 38 (2025)
- Population ages 00-04, female, annual growth rate 0.6447 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0.0001 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0663 units per person (2025)
- Population ages 00-04, male, annual growth rate 0.6611 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0.0001 units per US$ of GDP (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.