Population using at least basic drinking-water services in Tonga

Tonga: Population using at least basic drinking-water services was 98.6% in 2024. ▬ Flat

Latest (2024)
98.6%
Change on year
unchanged
World rank
55th
of 177 countries
All-time high
99.0%
in 2010
All-time low
98.5%
in 2021
Years of data
25
2000–2024

Population using at least basic drinking-water services in Tonga, 2000–2024

0204060801002000201220242000: 98.82001: 98.82002: 98.82003: 98.82004: 98.82005: 98.82006: 98.82007: 98.92008: 98.92009: 98.92010: 992011: 98.92012: 98.92013: 98.82014: 98.82015: 98.82016: 98.72017: 98.72018: 98.62019: 98.62020: 98.52021: 98.52022: 98.52023: 98.62024: 98.6

Source: World Health Organization, Global Health Observatory.

Analysis

Tonga recorded 98.6% for population using at least basic drinking-water services in 2024.

Compared with earlier readings it is down 0.2% over ten years.

Over the whole period, population using at least basic drinking-water services in Tonga peaked at 99.0% in 2010 and was at its lowest, 98.5%, in 2021.

Tonga ranks 55th of 177 countries on this measure, in the middle of the range.

Population using at least basic drinking-water services in Tonga, year by year

Annual values for Population using at least basic drinking-water services (%) in Tonga, 2000 to 2024.
Year Value Change
2000 98.8% —
2001 98.8% +0.0%
2002 98.8% +0.0%
2003 98.8% +0.0%
2004 98.8% +0.0%
2005 98.8% +0.0%
2006 98.8% +0.0%
2007 98.9% +0.0%
2008 98.9% +0.0%
2009 98.9% +0.0%
2010 99.0% +0.0%
2011 98.9% -0.0%
2012 98.9% -0.0%
2013 98.8% -0.0%
2014 98.8% -0.0%
2015 98.8% -0.0%
2016 98.7% -0.0%
2017 98.7% -0.0%
2018 98.6% -0.0%
2019 98.6% -0.0%
2020 98.5% -0.0%
2021 98.5% -0.0%
2022 98.5% +0.0%
2023 98.6% +0.0%
2024 98.6% +0.0%

Tonga compared with similar countries

  • Tonga's 98.6% is above the median for upper middle income countries, which is 94.8%, 1.0× the median. (54 countries reporting)
  • Tonga's 98.6% is above the median for East Asia & Pacific, which is 93.4%, 1.1× the median. (24 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
2000s 98.8% 98.8% 98.9% 10
2010s 98.8% 98.6% 99.0% 10
2020s 98.5% 98.5% 98.6% 5

Countries ranked near Tonga

  1. 52 Trinidad and Tobago 99.0% compare
  2. 53 Antigua and Barbuda 99.0% compare
  3. 54 Bangladesh 98.8% compare
  4. 56 Latvia 98.5% compare
  5. 57 Czechia 98.5% compare
  6. 58 Vietnam 98.5% compare

See the full ranking of 186 places →

More environment data for Tonga

All data for Tonga →

Frequently asked questions

What is population using at least basic drinking-water services in Tonga?
Population using at least basic drinking-water services in Tonga was 98.6% in 2024, according to World Health Organization, Global Health Observatory.
What is the highest population using at least basic drinking-water services recorded in Tonga?
The highest recorded value was 99.0% in 2010.
What is the lowest population using at least basic drinking-water services recorded in Tonga?
The lowest recorded value was 98.5% in 2021.
How does Tonga rank for population using at least basic drinking-water services?
Tonga ranks 55th out of 177 countries with data for 2024.
Is population using at least basic drinking-water services rising or falling in Tonga?
Over the last ten years it is down 0.2%. The long-run trend across the full record is flat.
Where does this Tonga data come from?
The figures come from World Health Organization, Global Health Observatory, published as part of Population using at least basic drinking-water services (%). Statizoid updates them automatically from the source API.

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Population using at least basic drinking-water services in Tonga. Statizoid, drawing on World Health Organization, Global Health Observatory. Retrieved 26 September 2026, from https://environment.statizoid.com/stat/population-using-at-least-basic-drinking-water-services-percent/tonga/

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About this data

Indicator
Population using at least basic drinking-water services (%)
Source
World Health Organization, Global Health Observatory
Licence
CC BY-NC-SA 3.0 IGO (WHO)
Coverage
186 places, 4,551 data points, 2000–2024
Last refreshed