Saint Kitts and Nevis vs Tonga: Number of one-year-olds who are not vaccinated against polio
Saint Kitts and Nevis
22.36 one-year-olds
in 2023
Tonga
23.98 one-year-olds
in 2023
Saint Kitts and Nevis rank
185th
Tonga rank
184th
Number of one-year-olds who are not vaccinated against polio over time
- Saint Kitts and Nevis
- Tonga
How they compare
Tonga currently reports 23.98 one-year-olds against 22.36 one-year-olds in Saint Kitts and Nevis, a difference of 1.62 one-year-olds.
That makes Tonga's figure about 1.1 times Saint Kitts and Nevis's.
The two have swapped places 4 times across 44 shared years of data; in 1980 it was Tonga ahead.
Saint Kitts and Nevis ranks 185th and Tonga ranks 184th of 194 countries.
Tonga has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Saint Kitts and Nevis | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 94.68 one-year-olds | 1,015 one-year-olds | 920.28 one-year-olds | Tonga |
| 1990s | 10.24 one-year-olds | 146.33 one-year-olds | 136.09 one-year-olds | Tonga |
| 2000s | 15.19 one-year-olds | 81.02 one-year-olds | 65.83 one-year-olds | Tonga |
| 2010s | 23.45 one-year-olds | 57.69 one-year-olds | 34.24 one-year-olds | Tonga |
| 2020s | 18.57 one-year-olds | 23.81 one-year-olds | 5.23 one-year-olds | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher number of one-year-olds who are not vaccinated against polio, Saint Kitts and Nevis or Tonga?
- Tonga, at 23.98 one-year-olds against 22.36 one-year-olds in Saint Kitts and Nevis as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against polio between Saint Kitts and Nevis and Tonga?
- 1.62 one-year-olds, with Tonga ahead.
- How many years of comparable data are there for Saint Kitts and Nevis and Tonga?
- 44 years are reported by both, from 1980 to 2023.
- How do Saint Kitts and Nevis and Tonga rank globally for number of one-year-olds who are not vaccinated against polio?
- Saint Kitts and Nevis ranks 185th and Tonga ranks 184th 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 Number of one-year-olds who are not vaccinated against polio. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Number of one-year-olds who have not had the third dose of either the oral or inactivated polio vaccine in a given year.