Which has higher prevalence of hypertension, South Asia (IDA & IBRD) or Tonga?

Tonga, at 43.3% against 31.0% in South Asia (IDA & IBRD) as of 2019.

How many years of comparable data are there for South Asia (IDA & IBRD) and Tonga?

30 years are reported by both, from 1990 to 2019.

Where does this data come from?

World Health Organization's Global Health Observatory Data Repository, published as Prevalence of hypertension (% of adults ages 30-79). Statizoid refreshes it automatically from the source and publishes the full history for both places.

South Asia (IDA & IBRD) vs Tonga: Prevalence of hypertension

South Asia (IDA & IBRD)

31.0%

in 2019

Tonga

43.3%

in 2019

South Asia (IDA & IBRD) rank

38th

Tonga rank

41st

Prevalence of hypertension over time

South Asia (IDA & IBRD)
Tonga

How they compare

Tonga currently reports 43.3% against 31.0% in South Asia (IDA & IBRD), a difference of 12.3%.

That makes Tonga's figure about 1.4 times South Asia (IDA & IBRD)'s.

Across all 30 years both countries report, Tonga has been ahead every year.

South Asia (IDA & IBRD) ranks 38th and Tonga ranks 41st of 43 groups.

Tonga has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	South Asia (IDA & IBRD)	Tonga	Difference	Ahead
1990s	29.6%	33.5%	3.9%	Tonga
2000s	31.2%	34.0%	2.8%	Tonga
2010s	31.2%	40.1%	8.9%	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher prevalence of hypertension, South Asia (IDA & IBRD) or Tonga?: Tonga, at 43.3% against 31.0% in South Asia (IDA & IBRD) as of 2019.
What is the difference in prevalence of hypertension between South Asia (IDA & IBRD) and Tonga?: 12.3%, with Tonga ahead.
How many years of comparable data are there for South Asia (IDA & IBRD) and Tonga?: 30 years are reported by both, from 1990 to 2019.
How do South Asia (IDA & IBRD) and Tonga rank globally for prevalence of hypertension?: South Asia (IDA & IBRD) ranks 38th and Tonga ranks 41st of 43 groups.
Where does this data come from?: World Health Organization's Global Health Observatory Data Repository, published as Prevalence of hypertension (% of adults ages 30-79). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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South Asia (IDA & IBRD) vs Tonga: Prevalence of hypertension. Statizoid, drawing on World Health Organization's Global Health Observatory Data Repository. Retrieved 18 September 2026, from https://health.statizoid.com/compare/prevalence-of-hypertension-percent-of-adults-ages-30-79/south-asia-ida-and-ibrd/tonga/

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<a href="https://health.statizoid.com/compare/prevalence-of-hypertension-percent-of-adults-ages-30-79/south-asia-ida-and-ibrd/tonga/">South Asia (IDA & IBRD) vs Tonga: Prevalence of hypertension</a> — Statizoid

About this data

Indicator: Prevalence of hypertension (% of adults ages 30-79)
Unit: % of adults ages 30-79
Source: World Health Organization's Global Health Observatory Data Repository
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 235 places, 7,050 data points, 1990–2019
Last refreshed: 17 September 2026

Prevalence of hypertension is the percentage of adults ages 30-79 with hypertension (defined as having systolic blood pressure =140 mmHg, diastolic blood pressure =90 mmHg, or taking medication for hypertension). The data is age-standardized.