People not using safely managed drinking water sources in Tonga
Tonga: People not using safely managed drinking water sources was 73,341 people in 2024. ▬ Flat
People not using safely managed drinking water sources in Tonga, 2000–2024
Source: WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data. Measured in people.
Analysis
In 2024, people not using safely managed drinking water sources in Tonga stood at 73,341 people.
That represents a change of down 0.4% on the previous year and down 2.4% over ten years.
Over the whole period, people not using safely managed drinking water sources in Tonga peaked at 75,880 people in 2011 and was at its lowest, 72,670 people, in 2000.
Tonga ranks 108th of 163 countries on this measure, in the middle of the range.
People not using safely managed drinking water sources in Tonga, year by year
| Year | people | Change |
|---|---|---|
| 2000 | 72,670 people | — |
| 2001 | 73,094 people | +0.6% |
| 2002 | 73,501 people | +0.6% |
| 2003 | 73,910 people | +0.6% |
| 2004 | 74,332 people | +0.6% |
| 2005 | 74,730 people | +0.5% |
| 2006 | 75,116 people | +0.5% |
| 2007 | 75,420 people | +0.4% |
| 2008 | 75,594 people | +0.2% |
| 2009 | 75,689 people | +0.1% |
| 2010 | 75,794 people | +0.1% |
| 2011 | 75,880 people | +0.1% |
| 2012 | 75,787 people | -0.1% |
| 2013 | 75,515 people | -0.4% |
| 2014 | 75,182 people | -0.4% |
| 2015 | 74,817 people | -0.5% |
| 2016 | 74,412 people | -0.5% |
| 2017 | 74,291 people | -0.2% |
| 2018 | 74,433 people | +0.2% |
| 2019 | 74,494 people | +0.1% |
| 2020 | 74,503 people | +0.0% |
| 2021 | 74,333 people | -0.2% |
| 2022 | 73,994 people | -0.5% |
| 2023 | 73,652 people | -0.5% |
| 2024 | 73,341 people | -0.4% |
Tonga compared with similar countries
- Tonga's 73,341 people is below the median for upper middle income countries, which is 1.88 million people, 4% of the median. (39 countries reporting)
- Tonga's 73,341 people is below the median for East Asia & Pacific, which is 97,987 people, 75% of the median. (28 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 74,405 people | 72,670 people | 75,689 people | 10 |
| 2010s | 75,060 people | 74,291 people | 75,880 people | 10 |
| 2020s | 73,965 people | 73,341 people | 74,503 people | 5 |
Countries ranked near Tonga
More environment data for Tonga
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.234 °C (2025)
- Temperature change 0.858 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 3.06 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), annual growth rate 0.1689 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Building (Energy) (Mt CO2e), annual 0 % change on previous year (2024)
Frequently asked questions
- What is people not using safely managed drinking water sources in Tonga?
- People not using safely managed drinking water sources in Tonga was 73,341 people in 2024, according to WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data.
- What is the highest people not using safely managed drinking water sources recorded in Tonga?
- The highest recorded value was 75,880 people in 2011.
- What is the lowest people not using safely managed drinking water sources recorded in Tonga?
- The lowest recorded value was 72,670 people in 2000.
- How does Tonga rank for people not using safely managed drinking water sources?
- Tonga ranks 108th out of 163 countries with data for 2024.
- Is people not using safely managed drinking water sources rising or falling in Tonga?
- Over the last ten years it is down 2.4%. The long-run trend across the full record is flat.
- Where does this Tonga data come from?
- The figures come from WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data, published as part of People not using safely managed drinking water sources. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 25 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
People not using safely managed drinking water sources either use unimproved drinking water sources or the improved sources they use are not located on their premises, not available when needed, or not free of contamination.