Share of adults who are overweight or obese in Tonga
Tonga: Share of adults who are overweight or obese was 91.0% in 2024. ▲ Rising
Share of adults who are overweight or obese in Tonga, 1980–2024
Source: World Health Organization – Global Health Observatory (2026) – with minor processing by Our World in Data. Measured in %.
Analysis
The most recent figure for share of adults who are overweight or obese in Tonga is 91.0%, measured in 2024. That is the highest value across all 45 years on record.
The figure is up 0.2% on the previous year and up 2.8% over ten years.
Over the whole period, share of adults who are overweight or obese in Tonga peaked at 91.0% in 2024 and was at its lowest, 74.1%, in 1980.
Tonga ranks 2nd of 199 countries on this measure, in the top 10%.
The long-run direction has been consistently rising across the 45 years of available data.
Share of adults who are overweight or obese in Tonga, year by year
| Year | % | Change |
|---|---|---|
| 1980 | 74.1% | — |
| 1981 | 74.9% | +1.0% |
| 1982 | 75.7% | +1.0% |
| 1983 | 76.4% | +1.0% |
| 1984 | 77.2% | +1.0% |
| 1985 | 77.9% | +0.9% |
| 1986 | 78.6% | +0.9% |
| 1987 | 79.3% | +0.8% |
| 1988 | 79.9% | +0.8% |
| 1989 | 80.5% | +0.7% |
| 1990 | 81.0% | +0.7% |
| 1991 | 81.6% | +0.7% |
| 1992 | 82.1% | +0.6% |
| 1993 | 82.5% | +0.5% |
| 1994 | 82.9% | +0.5% |
| 1995 | 83.3% | +0.5% |
| 1996 | 83.7% | +0.4% |
| 1997 | 84.0% | +0.4% |
| 1998 | 84.3% | +0.4% |
| 1999 | 84.6% | +0.4% |
| 2000 | 84.9% | +0.3% |
| 2001 | 85.2% | +0.3% |
| 2002 | 85.5% | +0.3% |
| 2003 | 85.7% | +0.3% |
| 2004 | 86.0% | +0.3% |
| 2005 | 86.3% | +0.3% |
| 2006 | 86.5% | +0.3% |
| 2007 | 86.8% | +0.3% |
| 2008 | 87.0% | +0.3% |
| 2009 | 87.3% | +0.3% |
| 2010 | 87.5% | +0.3% |
| 2011 | 87.8% | +0.3% |
| 2012 | 88.0% | +0.3% |
| 2013 | 88.3% | +0.3% |
| 2014 | 88.6% | +0.3% |
| 2015 | 88.8% | +0.3% |
| 2016 | 89.1% | +0.3% |
| 2017 | 89.3% | +0.3% |
| 2018 | 89.6% | +0.3% |
| 2019 | 89.8% | +0.3% |
| 2020 | 90.0% | +0.3% |
| 2021 | 90.3% | +0.3% |
| 2022 | 90.5% | +0.3% |
| 2023 | 90.8% | +0.3% |
| 2024 | 91.0% | +0.2% |
Tonga compared with similar countries
- Tonga's 91.0% is above the median for upper middle income countries, which is 61.2%, 1.5× the median. (58 countries reporting)
- Tonga's 91.0% is above the median for East Asia & Pacific, which is 56.0%, 1.6× the median. (32 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 77.4% | 74.1% | 80.5% | 10 |
| 1990s | 83.0% | 81.0% | 84.6% | 10 |
| 2000s | 86.1% | 84.9% | 87.3% | 10 |
| 2010s | 88.7% | 87.5% | 89.8% | 10 |
| 2020s | 90.5% | 90.0% | 91.0% | 5 |
Countries ranked near Tonga
- 1 American Samoa 91.0% compare
- 3 Tokelau 90.3% compare
- 4 Cook Islands 90.0% compare
- 5 Nauru 89.3% compare
More reference data data for Tonga
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0105 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.0092 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.0197 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.0197 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0353 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.0269 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.0446 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 0.1068 (2050)
- Emission Totals - Emissions (N2O) - Agricultural Soils 0.0799 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Manure applied 9.35 (2050)
Frequently asked questions
- What is share of adults who are overweight or obese in Tonga?
- Share of adults who are overweight or obese in Tonga was 91.0% in 2024, according to World Health Organization – Global Health Observatory (2026) – with minor processing by Our World in Data.
- What is the highest share of adults who are overweight or obese recorded in Tonga?
- The highest recorded value was 91.0% in 2024.
- What is the lowest share of adults who are overweight or obese recorded in Tonga?
- The lowest recorded value was 74.1% in 1980.
- How does Tonga rank for share of adults who are overweight or obese?
- Tonga ranks 2nd out of 199 countries with data for 2024.
- Is share of adults who are overweight or obese rising or falling in Tonga?
- Over the last ten years it is up 2.8%. The long-run trend across the full record is rising.
- Where does this Tonga data come from?
- The figures come from World Health Organization – Global Health Observatory (2026) – with minor processing by Our World in Data, published as part of Share of adults who are overweight or obese. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 45 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Overweight is defined here as a body mass index (BMI) above 25. BMI is a person's weight in kilograms divided by the square of their height in meters.