Naoero vs Sri Lanka: Share of one-year-olds who are vaccinated against polio
Naoero
97.0%
in 2024
Sri Lanka
97.0%
in 2024
Naoero rank
30th
Sri Lanka rank
30th
Share of one-year-olds who are vaccinated against polio over time
- Naoero
- Sri Lanka
How they compare
Naoero currently reports 97.0% against 97.0% in Sri Lanka, a difference of 0.0%.
The two have swapped places 8 times across 41 shared years of data; in 1984 it was Sri Lanka ahead.
Naoero ranks 30th and Sri Lanka ranks 30th of 194 countries.
Sri Lanka has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Naoero | Sri Lanka | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 62.7% | 77.2% | 14.5% | Sri Lanka |
| 1990s | 60.8% | 91.4% | 30.6% | Sri Lanka |
| 2000s | 79.1% | 98.0% | 18.9% | Sri Lanka |
| 2010s | 92.0% | 99.0% | 7.0% | Sri Lanka |
| 2020s | 96.8% | 97.2% | 0.4% | Sri Lanka |
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, Naoero or Sri Lanka?
- Naoero, at 97.0% against 97.0% in Sri Lanka as of 2024.
- What is the difference in share of one-year-olds who are vaccinated against polio between Naoero and Sri Lanka?
- 0.0%, with Naoero ahead.
- How many years of comparable data are there for Naoero and Sri Lanka?
- 41 years are reported by both, from 1984 to 2024.
- How do Naoero and Sri Lanka rank globally for share of one-year-olds who are vaccinated against polio?
- Naoero ranks 30th and Sri Lanka ranks 30th 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.