Share of one-year-olds vaccinated against Haemophilus influenzae type B in Tonga
Tonga: Share of one-year-olds vaccinated against Haemophilus influenzae type B was 99.0% in 2024. ▬ Flat
Latest (2024)
99.0%
Change on year
unchanged
World rank
1st
of 192 countries
All-time high
99.0%
in 2005
All-time low
95.0%
in 2012
Years of data
20
2005–2024
Share of one-year-olds vaccinated against Haemophilus influenzae type B in Tonga, 2005–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
Tonga recorded 99.0% for share of one-year-olds vaccinated against haemophilus influenzae type b in 2024. That is the highest value across all 20 years on record.
The figure is up 1.0% over ten years.
Over the whole period, share of one-year-olds vaccinated against haemophilus influenzae type b in Tonga peaked at 99.0% in 2005 and was at its lowest, 95.0%, in 2012.
That places Tonga 1st out of 192 countries with data for 2024, putting it in the top 10%.
Share of one-year-olds vaccinated against Haemophilus influenzae type B in Tonga, year by year
| Year | % | Change |
|---|---|---|
| 2005 | 99.0% | — |
| 2006 | 99.0% | +0.0% |
| 2007 | 99.0% | +0.0% |
| 2008 | 99.0% | +0.0% |
| 2009 | 99.0% | +0.0% |
| 2010 | 99.0% | +0.0% |
| 2011 | 99.0% | +0.0% |
| 2012 | 95.0% | -4.0% |
| 2013 | 99.0% | +4.2% |
| 2014 | 98.0% | -1.0% |
| 2015 | 96.0% | -2.0% |
| 2016 | 96.0% | +0.0% |
| 2017 | 99.0% | +3.1% |
| 2018 | 99.0% | +0.0% |
| 2019 | 99.0% | +0.0% |
| 2020 | 99.0% | +0.0% |
| 2021 | 99.0% | +0.0% |
| 2022 | 99.0% | +0.0% |
| 2023 | 99.0% | +0.0% |
| 2024 | 99.0% | +0.0% |
Tonga compared with similar countries
- Tonga's 99.0% is above the median for upper middle income countries, which is 91.0%, 1.1× the median. (57 countries reporting)
- Tonga's 99.0% is above the median for East Asia & Pacific, which is 93.0%, 1.1× the median. (29 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 99.0% | 99.0% | 99.0% | 5 |
| 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 Greece 99.0% compare
- 1 Hungary 99.0% compare
- 1 Jamaica 99.0% compare
- 1 Kuwait 99.0% compare
- 1 Luxembourg 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
More health data for Tonga
- Un projection of annual infant deaths, annual growth rate -33.33 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 2.33 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 834.5 deaths per 1,000 people (2090)
- Number of infants who die before age 1 2 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2025)
- Population ages 00-04, female, annual growth rate -1.42 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0535 units per person (2025)
- Population ages 00-04, male, annual growth rate -1.36 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (2025)
Frequently asked questions
- What is share of one-year-olds vaccinated against haemophilus influenzae type b in Tonga?
- Share of one-year-olds vaccinated against haemophilus influenzae type 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 haemophilus influenzae type b recorded in Tonga?
- The highest recorded value was 99.0% in 2005.
- What is the lowest share of one-year-olds vaccinated against haemophilus influenzae type b recorded in Tonga?
- The lowest recorded value was 95.0% in 2012.
- How does Tonga rank for share of one-year-olds vaccinated against haemophilus influenzae type b?
- Tonga ranks 1st out of 192 countries with data for 2024.
- Is share of one-year-olds vaccinated against haemophilus influenzae type 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 flat.
- 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 Haemophilus influenzae type B. 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 Haemophilus influenzae type b vaccine in a given year.