Share of adults who are obese in Tonga
Tonga: Share of adults who are obese was 72.3% in 2024. ▲ Rising
Share of adults who are obese in Tonga, 1980–2024
Source: World Health Organization - Global Health Observatory (2026) – with minor processing by Our World in Data. Measured in %.
Analysis
In 2024, share of adults who are obese in Tonga stood at 72.3%. That is the highest value across all 45 years on record.
The figure is up 1.0% on the previous year and up 13.6% over ten years.
Over the whole period, share of adults who are obese in Tonga peaked at 72.3% in 2024 and was at its lowest, 37.1%, in 1980.
Tonga ranks 3rd 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.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 40.5% | 37.1% | 43.7% | 10 |
| 1990s | 48.0% | 44.5% | 51.1% | 10 |
| 2000s | 55.3% | 51.8% | 59.1% | 10 |
| 2010s | 64.1% | 60.0% | 68.3% | 10 |
| 2020s | 70.8% | 69.2% | 72.3% | 5 |
Countries ranked near Tonga
- 1 American Samoa 75.8% compare
- 2 Cook Islands 72.4% compare
- 4 Nauru 71.4% compare
- 5 Tokelau 70.0% compare
- 6 Niue 66.2% 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 adults who are obese in Tonga?
- Share of adults who are obese in Tonga was 72.3% 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 obese recorded in Tonga?
- The highest recorded value was 72.3% in 2024.
- What is the lowest share of adults who are obese recorded in Tonga?
- The lowest recorded value was 37.1% in 1980.
- How does Tonga rank for share of adults who are obese?
- Tonga ranks 3rd out of 199 countries with data for 2024.
- Is share of adults who are obese rising or falling in Tonga?
- Over the last ten years it is up 13.6%. 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 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
Obesity is defined here as a body mass index (BMI) above 30. BMI is a person's weight in kilograms divided by the square of their height in meters.