Senegal vs Sierra Leone: Share of one-year-olds who are vaccinated against polio
Senegal
91.0%
in 2024
Sierra Leone
91.0%
in 2024
Senegal rank
88th
Sierra Leone rank
88th
Share of one-year-olds who are vaccinated against polio over time
- Senegal
- Sierra Leone
How they compare
Senegal currently reports 91.0% against 91.0% in Sierra Leone, a difference of 0.0%.
The two have swapped places 12 times across 26 shared years of data; in 1999 it was Sierra Leone ahead.
Senegal ranks 88th and Sierra Leone ranks 88th of 194 countries.
Across the 4 decades both report, Senegal averaged higher in 2 and Sierra Leone in 2.
Head to head by decade
| Decade | Senegal | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 60.0% | 61.0% | 1.0% | Sierra Leone |
| 2000s | 75.4% | 62.4% | 13.0% | Senegal |
| 2010s | 87.9% | 88.6% | 0.7% | Sierra Leone |
| 2020s | 91.6% | 90.6% | 1.0% | Senegal |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of one-year-olds who are vaccinated against polio, Senegal or Sierra Leone?
- Senegal, at 91.0% against 91.0% in Sierra Leone as of 2024.
- What is the difference in share of one-year-olds who are vaccinated against polio between Senegal and Sierra Leone?
- 0.0%, with Senegal ahead.
- How many years of comparable data are there for Senegal and Sierra Leone?
- 26 years are reported by both, from 1999 to 2024.
- How do Senegal and Sierra Leone rank globally for share of one-year-olds who are vaccinated against polio?
- Senegal ranks 88th and Sierra Leone ranks 88th of 194 countries.
- Where does this data come from?
- WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as Share of one-year-olds who are vaccinated against polio. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Share of one-year-olds who have had the third dose of either the oral or inactivated polio vaccine in a given year.