Iran vs Tonga: Share of one-year-olds who received the inactivated polio vaccine
Iran
99.0%
in 2024
Tonga
99.0%
in 2024
Iran rank
1st
Tonga rank
1st
Share of one-year-olds who received the inactivated polio vaccine over time
- Iran
- Tonga
How they compare
Iran currently reports 99.0% against 99.0% in Tonga, a difference of 0.0%.
Across all 7 years both countries report, Tonga has been ahead every year.
Iran ranks 1st and Tonga ranks 1st of 194 countries.
Tonga has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | Iran | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 71.0% | 99.0% | 28.0% | Tonga |
| 2020s | 98.8% | 99.0% | 0.2% | Tonga |
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, Iran or Tonga?
- Iran, at 99.0% against 99.0% in Tonga as of 2024.
- What is the difference in share of one-year-olds who received the inactivated polio vaccine between Iran and Tonga?
- 0.0%, with Iran ahead.
- How many years of comparable data are there for Iran and Tonga?
- 7 years are reported by both, from 2018 to 2024.
- How do Iran and Tonga rank globally for share of one-year-olds who received the inactivated polio vaccine?
- Iran ranks 1st and Tonga ranks 1st 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.