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.
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
- 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 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.
Download this data
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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.