Polio number unvaccinated in Sierra Leone
Sierra Leone: Polio number unvaccinated was 21,194 in 2023. β Volatile
Latest (2023)
21,194
Change on year
up 0.7%
World rank
80th
of 192 countries
All-time high
106,434
in 2001
All-time low
11,358
in 2019
Years of data
25
1999β2023
Polio number unvaccinated in Sierra Leone, 1999β2023
Source: Our World in Data.
Analysis
The most recent figure for polio number unvaccinated in Sierra Leone is 21,194, measured in 2023.
The figure is up 0.7% on the previous year and up 21.3% over ten years.
Over the whole period, polio number unvaccinated in Sierra Leone peaked at 106,434 in 2001 and was at its lowest, 11,358, in 2019.
That places Sierra Leone 80th out of 192 countries with data for 2023, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 61,712 | 61,712 | 61,712 | 1 |
| 2000s | 69,688 | 39,189 | 106,434 | 10 |
| 2010s | 24,816 | 11,358 | 37,268 | 10 |
| 2020s | 22,105 | 21,040 | 23,200 | 4 |
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)
- Heat deaths vs projected death rates 1,199 (2090)
- Un projection of annual infant deaths 4,209 (2100)
- Population, male, annual growth rate 2.07 % change on previous year (2025)
- Population, male, per unit of GDP 0.0006 units per US$ of GDP (2025)
- Population, male, per capita 0.4988 units per person (2025)
- Deaths in armed conflicts by country 0 (2026)
- Deaths in armed conflicts by region 0 (2026)
- Age population, age 25, male, interpolated 79,693 (2025)
Frequently asked questions
- What is polio number unvaccinated in Sierra Leone?
- Polio number unvaccinated in Sierra Leone was 21,194 in 2023, according to Our World in Data.
- What is the highest polio number unvaccinated recorded in Sierra Leone?
- The highest recorded value was 106,434 in 2001.
- What is the lowest polio number unvaccinated recorded in Sierra Leone?
- The lowest recorded value was 11,358 in 2019.
- How does Sierra Leone rank for polio number unvaccinated?
- Sierra Leone ranks 80th out of 192 countries with data for 2023.
- Is polio number unvaccinated rising or falling in Sierra Leone?
- Over the last ten years it is up 21.3%. The long-run trend across the full record is volatile.
- Where does this Sierra Leone data come from?
- The figures come from Our World in Data, published as part of Polio number unvaccinated. Statizoid updates them automatically from the source API.
Download this data
CSV Β· JSON β 25 observations, free to reuse under CC BY 4.0 (Our World in Data).