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

Latest (2019)
43.3
Change on year
up 1.6%
World rank
41st
of 194 countries
All-time high
43.3
in 2019
All-time low
32.7
in 1998
Years of data
30
1990–2019

Prevalence rate of hypertension in adults aged 30-79 in Tonga, 1990–2019

0102030401990200420191990: 34.81991: 34.51992: 34.11993: 33.81994: 33.51995: 33.21996: 331997: 32.81998: 32.71999: 32.72000: 32.72001: 32.82002: 332003: 33.22004: 33.52005: 33.92006: 34.42007: 352008: 35.62009: 36.32010: 372011: 37.72012: 38.32013: 392014: 39.72015: 40.42016: 41.12017: 41.92018: 42.62019: 43.3

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.

Prevalence rate of hypertension in adults aged 30-79 in Tonga, year by year

Annual values for Prevalence rate of hypertension in adults aged 30-79 in Tonga, 1990 to 2019.
Year Value Change
1990 34.8
1991 34.5 -0.9%
1992 34.1 -1.2%
1993 33.8 -0.9%
1994 33.5 -0.9%
1995 33.2 -0.9%
1996 33 -0.6%
1997 32.8 -0.6%
1998 32.7 -0.3%
1999 32.7 +0.0%
2000 32.7 +0.0%
2001 32.8 +0.3%
2002 33 +0.6%
2003 33.2 +0.6%
2004 33.5 +0.9%
2005 33.9 +1.2%
2006 34.4 +1.5%
2007 35 +1.7%
2008 35.6 +1.7%
2009 36.3 +2.0%
2010 37 +1.9%
2011 37.7 +1.9%
2012 38.3 +1.6%
2013 39 +1.8%
2014 39.7 +1.8%
2015 40.4 +1.8%
2016 41.1 +1.7%
2017 41.9 +1.9%
2018 42.6 +1.7%
2019 43.3 +1.6%

Tonga compared with similar countries

  • Tonga's 43.3 is above the median for upper middle income countries, which is 40.55, 1.1× the median. (58 countries reporting)
  • Tonga's 43.3 is above the median for East Asia & Pacific, which is 33.35, 1.3× the median. (30 countries reporting)

Averages by decade

DecadeAverage LowestHighest 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

  1. 38 Latvia 43.9 compare
  2. 39 Namibia 43.8 compare
  3. 40 Bhutan 43.4 compare
  4. 42 Pakistan 43.2 compare
  5. 43 Ukraine 43.1 compare
  6. 44 Haiti 42.9 compare
  7. 44 Suriname 42.9 compare

See the full ranking of 194 places →

More reference data data for Tonga

All data for Tonga →

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.

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Prevalence rate of hypertension in adults aged 30-79 in Tonga. Statizoid, drawing on World Health Organization – Global Health Observatory (2026) – with minor processing by Our World in Data. Retrieved 22 September 2026, from https://reference.statizoid.com/stat/hypertension-adults-30-79/tonga/

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About this data

Indicator
Prevalence rate of hypertension in adults aged 30-79
Source
World Health Organization – Global Health Observatory (2026) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
194 places, 5,820 data points, 1990–2019
Last refreshed

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.