Reported cases of measles, gaps filled in Tonga
Tonga: Reported cases of measles, gaps filled was 0 Cases in 2024. ◆ Volatile
Reported cases of measles, gaps filled in Tonga, 1974–2024
Source: Statizoid (derived). Measured in Cases.
Analysis
The most recent figure for reported cases of measles, gaps filled in Tonga is 0 Cases, measured in 2024. That is the lowest value across all 51 years on record.
That represents a change of down 100.0% on the previous year and down 100.0% over five years.
Over the whole period, reported cases of measles, gaps filled in Tonga peaked at 2,487 Cases in 1976 and was at its lowest, 0 Cases, in 1975.
Tonga ranks 146th of 210 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Reported cases of measles, gaps filled in Tonga, year by year
| Year | Cases | Change |
|---|---|---|
| 1974 | 34 Cases | — |
| 1975 | 0 Cases | -100.0% |
| 1976 | 2,487 Cases | — |
| 1977 | 84 Cases | -96.6% |
| 1978 | 17 Cases | -79.8% |
| 1979 | 523 Cases | +2976.5% |
| 1980 | 2,336 Cases | +346.7% |
| 1981 | 187 Cases | -92.0% |
| 1982 | 19 Cases | -89.8% |
| 1983 | 36 Cases | +89.5% |
| 1984 | 5 Cases | -86.1% |
| 1985 | 412 Cases | +8140.0% |
| 1986 | 233 Cases | -43.4% |
| 1987 | 0 Cases | -100.0% |
| 1988 | 0 Cases | — |
| 1989 | 25 Cases | — |
| 1990 | 65 Cases | +160.0% |
| 1991 | 18 Cases | -72.3% |
| 1992 | 10 Cases | -44.4% |
| 1993 | 0 Cases | -100.0% |
| 1994 | 0 Cases | — |
| 1995 | 0 Cases | — |
| 1996 | 0 Cases | — |
| 1997 | 1,081 Cases | — |
| 1998 | 36 Cases | -96.7% |
| 1999 | 6 Cases | -83.3% |
| 2000 | 0 Cases | -100.0% |
| 2001 | 4 Cases | — |
| 2002 | 0 Cases | -100.0% |
| 2003 | 0 Cases | — |
| 2004 | 0 Cases | — |
| 2005 | 0 Cases | — |
| 2006 | 0 Cases | — |
| 2007 | 0 Cases | — |
| 2008 | 0 Cases | — |
| 2009 | 0 Cases | — |
| 2010 | 0 Cases | — |
| 2011 | 0 Cases | — |
| 2012 | 0 Cases | — |
| 2013 | 0 Cases | — |
| 2014 | 0 Cases | — |
| 2015 | 0 Cases | — |
| 2016 | 0 Cases | — |
| 2017 | 0 Cases | — |
| 2018 | 0 Cases | — |
| 2019 | 659 Cases | — |
| 2020 | 497.25 Cases | -24.5% |
| 2021 | 335.5 Cases | -32.5% |
| 2022 | 173.75 Cases | -48.2% |
| 2023 | 12 Cases | -93.1% |
| 2024 | 0 Cases | -100.0% |
Tonga compared with similar countries
- Tonga's 0 Cases is below the median for upper middle income countries, which is 9.5 Cases. (58 countries reporting)
- Tonga's 0 Cases is below the median for East Asia & Pacific, which is 1 Cases. (37 countries reporting)
Biggest year-on-year movements
Years where Reported cases of measles, gaps filled 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 |
|---|---|---|---|
| 1985 | +8140.0% | 5 Cases | 412 Cases |
| 1979 | +2976.5% | 17 Cases | 523 Cases |
| 1980 | +346.7% | 523 Cases | 2,336 Cases |
| 1990 | +160.0% | 25 Cases | 65 Cases |
| 1983 | +89.5% | 19 Cases | 36 Cases |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 524.17 Cases | 0 Cases | 2,487 Cases | 6 |
| 1980s | 325.3 Cases | 0 Cases | 2,336 Cases | 10 |
| 1990s | 121.6 Cases | 0 Cases | 1,081 Cases | 10 |
| 2000s | 0.4 Cases | 0 Cases | 4 Cases | 10 |
| 2010s | 65.9 Cases | 0 Cases | 659 Cases | 10 |
| 2020s | 203.7 Cases | 0 Cases | 497.25 Cases | 5 |
Countries ranked near Tonga
- 143 Micronesia, Federated States of 1 Cases compare
- 143 Lao People's Democratic Republic 1 Cases compare
- 143 New Zealand 1 Cases compare
- 146 Aruba 0 Cases compare
- 146 Andorra 0 Cases compare
- 146 Argentina 0 Cases compare
- 146 American Samoa 0 Cases compare
- 146 Antigua and Barbuda 0 Cases compare
- 146 Bahamas 0 Cases compare
- 146 Belize 0 Cases compare
- 146 Barbados 0 Cases compare
- 146 Brunei Darussalam 0 Cases compare
- 146 Bhutan 0 Cases compare
- 146 Chile 0 Cases compare
- 146 Colombia 0 Cases compare
- 146 Cape Verde 0 Cases compare
- 146 Costa Rica 0 Cases compare
- 146 Cuba 0 Cases compare
- 146 Cayman Islands 0 Cases compare
- 146 Dominica 0 Cases compare
- 146 Dominican Republic 0 Cases compare
- 146 Ecuador 0 Cases compare
- 146 Guinea-Bissau 0 Cases compare
- 146 Grenada 0 Cases compare
- 146 Guatemala 0 Cases compare
- 146 Guam 0 Cases compare
- 146 Guyana 0 Cases compare
- 146 Honduras 0 Cases compare
- 146 Haiti 0 Cases compare
- 146 Israel 0 Cases compare
- 146 Jamaica 0 Cases compare
- 146 Kiribati 0 Cases compare
- 146 Saint Kitts and Nevis 0 Cases compare
- 146 Saint Lucia 0 Cases compare
- 146 Latvia 0 Cases compare
- 146 Macau, China 0 Cases compare
- 146 Marshall Islands 0 Cases compare
- 146 Northern Mariana Islands 0 Cases compare
- 146 Mauritius 0 Cases compare
- 146 New Caledonia 0 Cases compare
- 146 Nicaragua 0 Cases compare
- 146 Naoero 0 Cases compare
- 146 Panama 0 Cases compare
- 146 Palau 0 Cases compare
- 146 Korea, Democratic People's Republic of 0 Cases compare
- 146 Paraguay 0 Cases compare
- 146 French Polynesia 0 Cases compare
- 146 Solomon Islands 0 Cases compare
- 146 El Salvador 0 Cases compare
- 146 Sao Tome and Principe 0 Cases compare
- 146 Suriname 0 Cases compare
- 146 Eswatini 0 Cases compare
- 146 Tajikistan 0 Cases compare
- 146 Turkmenistan 0 Cases compare
- 146 Trinidad and Tobago 0 Cases compare
- 146 Tuvalu 0 Cases compare
- 146 Uruguay 0 Cases compare
- 146 Saint Vincent and the Grenadines 0 Cases compare
- 146 Venezuela, Bolivarian Republic of 0 Cases compare
- 146 British Virgin Islands 0 Cases compare
- 146 Vanuatu 0 Cases compare
- 146 Samoa 0 Cases compare
- 146 Anguilla 0 Cases compare
- 146 Cook Islands 0 Cases compare
- 146 Montserrat 0 Cases compare
- 146 Niue 0 Cases compare
- 146 Tokelau 0 Cases 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 reported cases of measles, gaps filled in Tonga?
- Reported cases of measles, gaps filled in Tonga was 0 Cases in 2024, according to Statizoid (derived).
- What is the highest reported cases of measles, gaps filled recorded in Tonga?
- The highest recorded value was 2,487 Cases in 1976.
- What is the lowest reported cases of measles, gaps filled recorded in Tonga?
- The lowest recorded value was 0 Cases in 1975.
- How does Tonga rank for reported cases of measles, gaps filled?
- Tonga ranks 146th out of 210 countries with data for 2024.
- Where does this Tonga data come from?
- The figures come from Statizoid (derived), published as part of Reported cases of measles, gaps filled. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 51 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
Reported cases of measles with 433 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.
Computed from
- Reported cases of measles World Health Organization - Global Health Observatory (2026) – with minor processing by Our World in Data
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
Reported cases of measles with 433 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.