People not using improved sanitation facilities in Tonga
Tonga: People not using improved sanitation facilities was 1,555 people in 2024. ▼ Falling
People not using improved sanitation facilities 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 improved sanitation facilities in Tonga stood at 1,555 people. That is the lowest value across all 25 years on record.
Compared with earlier readings it is down 0.5% on the previous year and down 73.7% over ten years.
Over the whole period, people not using improved sanitation facilities in Tonga peaked at 10,591 people in 2004 and was at its lowest, 1,555 people, in 2024.
Tonga ranks 156th of 232 countries on this measure, in the middle of the range.
The long-run direction has been consistently falling across the 25 years of available data.
People not using improved sanitation facilities in Tonga, year by year
| Year | people | Change |
|---|---|---|
| 2000 | 10,363 people | — |
| 2001 | 10,421 people | +0.6% |
| 2002 | 10,477 people | +0.5% |
| 2003 | 10,533 people | +0.5% |
| 2004 | 10,591 people | +0.6% |
| 2005 | 10,171 people | -4.0% |
| 2006 | 9,744 people | -4.2% |
| 2007 | 9,301 people | -4.5% |
| 2008 | 8,839 people | -5.0% |
| 2009 | 8,365 people | -5.4% |
| 2010 | 7,892 people | -5.7% |
| 2011 | 7,415 people | -6.0% |
| 2012 | 6,924 people | -6.6% |
| 2013 | 6,421 people | -7.3% |
| 2014 | 5,916 people | -7.9% |
| 2015 | 5,412 people | -8.5% |
| 2016 | 4,910 people | -9.3% |
| 2017 | 4,429 people | -9.8% |
| 2018 | 3,962 people | -10.5% |
| 2019 | 3,490 people | -11.9% |
| 2020 | 3,013 people | -13.7% |
| 2021 | 2,530 people | -16.0% |
| 2022 | 2,044 people | -19.2% |
| 2023 | 1,562 people | -23.6% |
| 2024 | 1,555 people | -0.5% |
Tonga compared with similar countries
- Tonga's 1,555 people is below the median for upper middle income countries, which is 67,932 people, 2% of the median. (58 countries reporting)
- Tonga's 1,555 people is below the median for East Asia & Pacific, which is 10,588 people, 15% of the median. (37 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 9,881 people | 8,365 people | 10,591 people | 10 |
| 2010s | 5,677 people | 3,490 people | 7,892 people | 10 |
| 2020s | 2,141 people | 1,555 people | 3,013 people | 5 |
Countries ranked near Tonga
More reference data data for Tonga
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0105 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.0092 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.0197 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.0197 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0353 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.0269 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.0446 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 0.1068 (2050)
- Emission Totals - Emissions (N2O) - Agricultural Soils 0.0799 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Manure applied 9.35 (2050)
Frequently asked questions
- What is people not using improved sanitation facilities in Tonga?
- People not using improved sanitation facilities in Tonga was 1,555 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 improved sanitation facilities recorded in Tonga?
- The highest recorded value was 10,591 people in 2004.
- What is the lowest people not using improved sanitation facilities recorded in Tonga?
- The lowest recorded value was 1,555 people in 2024.
- How does Tonga rank for people not using improved sanitation facilities?
- Tonga ranks 156th out of 232 countries with data for 2024.
- Is people not using improved sanitation facilities rising or falling in Tonga?
- Over the last ten years it is down 73.7%. The long-run trend across the full record is falling.
- 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 improved sanitation facilities. 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
If no improved sanitation facility is available, people might practice open defecation or use unimproved sanitation facilities.