Saint Kitts and Nevis vs Tonga: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus
Saint Kitts and Nevis
22.36 one-year-olds
in 2023
Tonga
23.98 one-year-olds
in 2023
Saint Kitts and Nevis rank
187th
Tonga rank
186th
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus 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 187th and Tonga ranks 186th 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 | 118.96 one-year-olds | 928.24 one-year-olds | 809.28 one-year-olds | Tonga |
| 1990s | 9.4 one-year-olds | 152 one-year-olds | 142.59 one-year-olds | Tonga |
| 2000s | 12.31 one-year-olds | 83.9 one-year-olds | 71.59 one-year-olds | Tonga |
| 2010s | 17.44 one-year-olds | 57.69 one-year-olds | 40.24 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 diphtheria, pertussis and tetanus, 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 diphtheria, pertussis and tetanus 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 diphtheria, pertussis and tetanus?
- Saint Kitts and Nevis ranks 187th and Tonga ranks 186th 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 diphtheria, pertussis and tetanus. 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 three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.