Norway vs Tonga: Share of one-year-olds who received the inactivated polio vaccine
Norway
99.0%
in 2024
Tonga
99.0%
in 2024
Norway rank
1st
Tonga rank
1st
Share of one-year-olds who received the inactivated polio vaccine over time
- Norway
- Tonga
How they compare
Norway currently reports 99.0% against 99.0% in Tonga, a difference of 0.0%.
The two have swapped places 1 time across 10 shared years of data; in 2015 it was Norway ahead.
Norway ranks 1st and Tonga ranks 1st of 194 countries.
Across the 2 decades both report, Norway averaged higher in 1 and Tonga in 1.
Head to head by decade
| Decade | Norway | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 99.0% | 85.4% | 13.6% | Norway |
| 2020s | 98.4% | 99.0% | 0.6% | 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, Norway or Tonga?
- Norway, 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 Norway and Tonga?
- 0.0%, with Norway ahead.
- How many years of comparable data are there for Norway and Tonga?
- 10 years are reported by both, from 2015 to 2024.
- How do Norway and Tonga rank globally for share of one-year-olds who received the inactivated polio vaccine?
- Norway 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.