Brazil vs Sierra Leone: Share of one-year-olds who received the inactivated polio vaccine
Brazil
91.0%
in 2024
Sierra Leone
91.0%
in 2024
Brazil rank
110th
Sierra Leone rank
110th
Share of one-year-olds who received the inactivated polio vaccine over time
- Brazil
- Sierra Leone
How they compare
Brazil currently reports 91.0% against 91.0% in Sierra Leone, a difference of 0.0%.
The two have swapped places 1 time across 7 shared years of data; in 2018 it was Brazil ahead.
Brazil ranks 110th and Sierra Leone ranks 110th of 194 countries.
Across the 2 decades both report, Brazil averaged higher in 1 and Sierra Leone in 1.
Head to head by decade
| Decade | Brazil | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 87.0% | 73.0% | 14.0% | Brazil |
| 2020s | 81.8% | 91.0% | 9.2% | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of one-year-olds who received the inactivated polio vaccine, Brazil or Sierra Leone?
- Brazil, at 91.0% against 91.0% in Sierra Leone as of 2024.
- What is the difference in share of one-year-olds who received the inactivated polio vaccine between Brazil and Sierra Leone?
- 0.0%, with Brazil ahead.
- How many years of comparable data are there for Brazil and Sierra Leone?
- 7 years are reported by both, from 2018 to 2024.
- How do Brazil and Sierra Leone rank globally for share of one-year-olds who received the inactivated polio vaccine?
- Brazil ranks 110th and Sierra Leone ranks 110th 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 received the inactivated polio vaccine. 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 first dose of the inactivated polio vaccine in a given year.