Share of one-year-olds who received the inactivated polio vaccine in Sierra Leone
Sierra Leone: Share of one-year-olds who received the inactivated polio vaccine was 91.0% in 2024. ▲ Rising
Latest (2024)
91.0%
Change on year
unchanged
World rank
110th
of 194 countries
All-time high
93.0%
in 2021
All-time low
60.0%
in 2018
Years of data
7
2018–2024
Share of one-year-olds who received the inactivated polio vaccine in Sierra Leone, 2018–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
The most recent figure for share of one-year-olds who received the inactivated polio vaccine in Sierra Leone is 91.0%, measured in 2024.
The figure is up 51.7% over ten years.
That places Sierra Leone 110th out of 194 countries with data for 2024, putting it in the middle of the range.
Share of one-year-olds who received the inactivated polio vaccine in Sierra Leone, year by year
| Year | % | Change |
|---|---|---|
| 2018 | 60.0% | — |
| 2019 | 86.0% | +43.3% |
| 2020 | 89.0% | +3.5% |
| 2021 | 93.0% | +4.5% |
| 2022 | 91.0% | -2.2% |
| 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 76.0%, 1.2× the median. (25 countries reporting)
- Sierra Leone's 91.0% is above the median for Sub-Saharan Africa, which is 81.5%, 1.1× the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 73.0% | 60.0% | 86.0% | 2 |
| 2020s | 91.0% | 89.0% | 93.0% | 5 |
Countries ranked near Sierra Leone
- 110 Bosnia and Herzegovina 91.0% compare
- 110 Brazil 91.0% compare
- 110 Burkina Faso 91.0% compare
- 110 Netherlands 91.0% compare
- 110 Panama 91.0% compare
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 share of one-year-olds who received the inactivated polio vaccine in Sierra Leone?
- Share of one-year-olds who received the inactivated polio vaccine 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 share of one-year-olds who received the inactivated polio vaccine recorded in Sierra Leone?
- The highest recorded value was 93.0% in 2021.
- What is the lowest share of one-year-olds who received the inactivated polio vaccine recorded in Sierra Leone?
- The lowest recorded value was 60.0% in 2018.
- How does Sierra Leone rank for share of one-year-olds who received the inactivated polio vaccine?
- Sierra Leone ranks 110th out of 194 countries with data for 2024.
- Is share of one-year-olds who received the inactivated polio vaccine rising or falling in Sierra Leone?
- Over the last ten years it is up 51.7%. 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 Share of one-year-olds who received the inactivated polio vaccine. Statizoid updates them automatically from the source API.
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About this data
Share of one-year-olds who have had the first dose of the inactivated polio vaccine in a given year.