% of Polio immunization coverage in Tonga
Tonga: % of Polio immunization coverage was 91.41 in 2024. ▲ Rising
% of Polio immunization coverage in Tonga, 2007–2024
Source: UNICEF.
Analysis
Tonga recorded 91.41 for % of polio immunization coverage in 2024.
Compared with earlier readings it is up 1.1% on the previous year and up 1.0% over ten years.
Over the whole period, % of polio immunization coverage in Tonga peaked at 109.02 in 2007 and was at its lowest, 3.62, in 2008.
The long-run direction has been consistently rising across the 18 years of available data.
% of Polio immunization coverage in Tonga, year by year
| Year | Value | Change |
|---|---|---|
| 2007 | 109.02 | — |
| 2008 | 3.62 | -96.7% |
| 2009 | 107.81 | +2878.9% |
| 2010 | 97.21 | -9.8% |
| 2011 | 99.62 | +2.5% |
| 2012 | 92.75 | -6.9% |
| 2013 | 96.97 | +4.5% |
| 2014 | 90.51 | -6.7% |
| 2015 | 97.22 | +7.4% |
| 2016 | 84.77 | -12.8% |
| 2017 | 85.72 | +1.1% |
| 2018 | 91.81 | +7.1% |
| 2019 | 88.17 | -4.0% |
| 2020 | 84.42 | -4.3% |
| 2021 | 80.22 | -5.0% |
| 2022 | 85.42 | +6.5% |
| 2023 | 90.44 | +5.9% |
| 2024 | 91.41 | +1.1% |
Tonga compared with similar countries
- Tonga's 91.41 is above the median for upper middle income countries, which is 89.92, 1.0× the median. (7 countries reporting)
Biggest year-on-year movements
Years where % of Polio immunization coverage in Tonga changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2009 | +2878.9% | 3.62 | 107.81 |
| 2008 | -96.7% | 109.02 | 3.62 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 73.48 | 3.62 | 109.02 | 3 |
| 2010s | 92.47 | 84.77 | 99.62 | 10 |
| 2020s | 86.38 | 80.22 | 91.41 | 5 |
Countries ranked near Tonga
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 % of polio immunization coverage in Tonga?
- % of polio immunization coverage in Tonga was 91.41 in 2024, according to UNICEF.
- What is the highest % of polio immunization coverage recorded in Tonga?
- The highest recorded value was 109.02 in 2007.
- What is the lowest % of polio immunization coverage recorded in Tonga?
- The lowest recorded value was 3.62 in 2008.
- How does Tonga rank for % of polio immunization coverage?
- Tonga ranks 9th out of 17 countries with data for 2024.
- Is % of polio immunization coverage 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 UNICEF, published as part of % of Polio immunization coverage. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 18 observations, free to reuse under UNICEF Terms of Use (attribution required).