Share of one-year-olds vaccinated against hepatitis B in Tonga
Tonga: Share of one-year-olds vaccinated against hepatitis B was 99.0% in 2024. ▲ Rising
Share of one-year-olds vaccinated against hepatitis B in Tonga, 1990–2024
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 hepatitis b in Tonga stood at 99.0%. That is the highest value across all 35 years on record.
Compared with earlier readings it is up 1.0% over ten years.
Over the whole period, share of one-year-olds vaccinated against hepatitis b in Tonga peaked at 99.0% in 2004 and was at its lowest, 82.0%, in 1992.
That places Tonga 1st out of 189 countries with data for 2024, putting it in the top 10%.
The long-run direction has been consistently rising across the 35 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 91.9% | 82.0% | 96.0% | 10 |
| 2000s | 97.4% | 93.0% | 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 Jamaica 99.0% compare
- 1 Kuwait 99.0% compare
- 1 Latvia 99.0% compare
- 1 Maldives 99.0% compare
- 1 Monaco 99.0% compare
- 1 Niue 99.0% compare
- 1 North Korea 99.0% compare
- 1 Oman 99.0% compare
- 1 Palau 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
- 1 Turkmenistan 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 hepatitis b in Tonga?
- Share of one-year-olds vaccinated against hepatitis b 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 hepatitis b recorded in Tonga?
- The highest recorded value was 99.0% in 2004.
- What is the lowest share of one-year-olds vaccinated against hepatitis b recorded in Tonga?
- The lowest recorded value was 82.0% in 1992.
- How does Tonga rank for share of one-year-olds vaccinated against hepatitis b?
- Tonga ranks 1st out of 189 countries with data for 2024.
- Is share of one-year-olds vaccinated against hepatitis b 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 hepatitis B. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 35 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Share of one-year-olds who have had three doses of the hepatitis B vaccine in a given year.