Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Tonga
Tonga: Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis was 99.0% in 2024. ▲ Rising
Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Tonga, 1980–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
In 2024, share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Tonga stood at 99.0%. That is the highest value across all 45 years on record.
The figure is up 1.0% over ten years.
Over the whole period, share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Tonga peaked at 99.0% in 1987 and was at its lowest, 37.0%, in 1981.
Tonga ranks 1st of 194 countries on this measure, in the top 10%.
The long-run direction has been consistently rising across the 45 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 69.4% | 37.0% | 99.0% | 10 |
| 1990s | 94.7% | 88.0% | 99.0% | 10 |
| 2000s | 97.1% | 90.0% | 99.0% | 10 |
| 2010s | 97.9% | 95.0% | 99.0% | 10 |
| 2020s | 99.0% | 99.0% | 99.0% | 5 |
Countries ranked near Tonga
- 1 Antigua and Barbuda 99.0% compare
- 1 Brunei 99.0% compare
- 1 Costa Rica 99.0% compare
- 1 Cuba 99.0% compare
- 1 Hungary 99.0% compare
- 1 Jamaica 99.0% compare
- 1 Japan 99.0% compare
- 1 Kuwait 99.0% compare
- 1 Maldives 99.0% compare
- 1 Monaco 99.0% compare
- 1 Nauru 99.0% compare
- 1 Niue 99.0% compare
- 1 North Korea 99.0% compare
- 1 Oman 99.0% compare
- 1 Portugal 99.0% compare
- 1 Saint Lucia 99.0% compare
- 1 Saint Vincent and the Grenadines 99.0% compare
- 1 Turkey 99.0% compare
More reference data data for Tonga
- Universal right to vote in practice 2 (2025)
- Competitive elections 1 (2025)
- Free country 2 (2025)
- Civil liberties rating 2 (2025)
- Men's universal right to vote 1 (2025)
- Elected parliament 1 (2025)
- Democracy 7 (2025)
- Consumer price index 174.32 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Chief executive of the government is elected 1 (2025)
Frequently asked questions
- What is share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Tonga?
- Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Tonga was 99.0% in 2024, according to WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest share of one-year-olds vaccinated against diphtheria, tetanus and pertussis recorded in Tonga?
- The highest recorded value was 99.0% in 1987.
- What is the lowest share of one-year-olds vaccinated against diphtheria, tetanus and pertussis recorded in Tonga?
- The lowest recorded value was 37.0% in 1981.
- How does Tonga rank for share of one-year-olds vaccinated against diphtheria, tetanus and pertussis?
- Tonga ranks 1st out of 194 countries with data for 2024.
- Is share of one-year-olds vaccinated against diphtheria, tetanus and pertussis rising or falling in Tonga?
- Over the last ten years it is up 1.0%. The long-run trend across the full record is rising.
- Where does this Tonga data come from?
- The figures come from WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis. Statizoid updates them automatically from the source API.
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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.