Prevalence rate of hypertension in adults aged 30-79 in Tonga
Tonga: Prevalence rate of hypertension in adults aged 30-79 was 43.3 in 2019. ▲ Rising
Prevalence rate of hypertension in adults aged 30-79 in Tonga, 1990–2019
Source: World Health Organization - Global Health Observatory (2026) – with minor processing by Our World in Data.
Analysis
In 2019, prevalence rate of hypertension in adults aged 30-79 in Tonga stood at 43.3. That is the highest value across all 30 years on record.
The figure is up 1.6% on the previous year and up 19.3% over ten years.
Over the whole period, prevalence rate of hypertension in adults aged 30-79 in Tonga peaked at 43.3 in 2019 and was at its lowest, 32.7, in 1998.
Tonga ranks 41st of 194 countries on this measure, in the top quarter.
The long-run direction has been consistently rising across the 30 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 33.51 | 32.7 | 34.8 | 10 |
| 2000s | 34.04 | 32.7 | 36.3 | 10 |
| 2010s | 40.1 | 37 | 43.3 | 10 |
Countries ranked near Tonga
More reference data data for Tonga
- Universal right to vote in practice 2 (2025)
- Consumer price index 174.32 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 1 (2025)
- Men's universal right to vote 1 (2025)
- Elected parliament 1 (2025)
- Chief executive of the government is elected 1 (2025)
- Democracy 7 (2025)
- Civil liberties rating 2 (2025)
- Free country 2 (2025)
Frequently asked questions
- What is prevalence rate of hypertension in adults aged 30-79 in Tonga?
- Prevalence rate of hypertension in adults aged 30-79 in Tonga was 43.3 in 2019, according to World Health Organization - Global Health Observatory (2026) – with minor processing by Our World in Data.
- What is the highest prevalence rate of hypertension in adults aged 30-79 recorded in Tonga?
- The highest recorded value was 43.3 in 2019.
- What is the lowest prevalence rate of hypertension in adults aged 30-79 recorded in Tonga?
- The lowest recorded value was 32.7 in 1998.
- How does Tonga rank for prevalence rate of hypertension in adults aged 30-79?
- Tonga ranks 41st out of 194 countries with data for 2019.
- Is prevalence rate of hypertension in adults aged 30-79 rising or falling in Tonga?
- Over the last ten years it is up 19.3%. 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 Prevalence rate of hypertension in adults aged 30-79. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 30 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Estimated share of the population with hypertension, based on population representative surveys and statistical modeling. Hypertension is a risk factor for chronic complications, including cardiovascular disease, and premature death.