Iraq vs Sierra Leone: Share of one-year-olds who are vaccinated against polio
Iraq
91.0%
in 2024
Sierra Leone
91.0%
in 2024
Iraq rank
88th
Sierra Leone rank
88th
Share of one-year-olds who are vaccinated against polio over time
- Iraq
- Sierra Leone
How they compare
Iraq currently reports 91.0% against 91.0% in Sierra Leone, a difference of 0.0%.
The two have swapped places 7 times across 26 shared years of data; in 1999 it was Iraq ahead.
Iraq ranks 88th and Sierra Leone ranks 88th of 194 countries.
Across the 4 decades both report, Iraq averaged higher in 2 and Sierra Leone in 2.
Head to head by decade
| Decade | Iraq | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 87.0% | 61.0% | 26.0% | Iraq |
| 2000s | 73.6% | 62.4% | 11.2% | Iraq |
| 2010s | 76.9% | 88.6% | 11.7% | Sierra Leone |
| 2020s | 86.0% | 90.6% | 4.6% | Sierra Leone |
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, Iraq or Sierra Leone?
- Iraq, 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 Iraq and Sierra Leone?
- 0.0%, with Iraq ahead.
- How many years of comparable data are there for Iraq and Sierra Leone?
- 26 years are reported by both, from 1999 to 2024.
- How do Iraq and Sierra Leone rank globally for share of one-year-olds who are vaccinated against polio?
- Iraq 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.