Nauru vs Tonga: Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis
Nauru
99.0%
in 2024
Tonga
99.0%
in 2024
Nauru rank
1st
Tonga rank
1st
Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis over time
- Nauru
- Tonga
How they compare
Nauru currently reports 99.0% against 99.0% in Tonga, a difference of 0.0%.
The two have swapped places 5 times across 41 shared years of data; in 1984 it was Nauru ahead.
Nauru ranks 1st and Tonga ranks 1st of 194 countries.
Tonga has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Nauru | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 65.3% | 83.7% | 18.3% | Tonga |
| 1990s | 62.9% | 94.7% | 31.8% | Tonga |
| 2000s | 82.8% | 97.1% | 14.3% | Tonga |
| 2010s | 92.0% | 97.9% | 5.9% | Tonga |
| 2020s | 98.0% | 99.0% | 1.0% | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of one-year-olds vaccinated against diphtheria, tetanus and pertussis, Nauru or Tonga?
- Nauru, at 99.0% against 99.0% in Tonga as of 2024.
- What is the difference in share of one-year-olds vaccinated against diphtheria, tetanus and pertussis between Nauru and Tonga?
- 0.0%, with Nauru ahead.
- How many years of comparable data are there for Nauru and Tonga?
- 41 years are reported by both, from 1984 to 2024.
- How do Nauru and Tonga rank globally for share of one-year-olds vaccinated against diphtheria, tetanus and pertussis?
- Nauru 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 vaccinated against diphtheria, tetanus and pertussis. 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 three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.