Using improved drinking water sources vs. GDP per capita in Tonga
Tonga: Using improved drinking water sources vs. GDP per capita was 99.8% in 2024. ▬ Flat
Using improved drinking water sources vs. GDP per capita 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 %.
Analysis
In 2024, using improved drinking water sources vs. gdp per capita in Tonga stood at 99.8%. That is the highest value across all 25 years on record.
The figure is up 0.4% over ten years.
Over the whole period, using improved drinking water sources vs. gdp per capita in Tonga peaked at 99.8% in 2024 and was at its lowest, 99.0%, in 2004.
That places Tonga 73rd out of 231 countries with data for 2024, putting it in the middle of the range.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 99.0% | 99.0% | 99.2% | 10 |
| 2010s | 99.4% | 99.2% | 99.7% | 10 |
| 2020s | 99.8% | 99.7% | 99.8% | 5 |
Countries ranked near Tonga
- 70 Belarus 99.9% compare
- 71 Reunion 99.9% compare
- 72 British Virgin Islands 99.9% compare
- 74 Libya 99.8% compare
- 75 Montenegro 99.8% compare
- 76 Kazakhstan 99.8% compare
More environment data for Tonga
- Total greenhouse gas emissions excluding LULUCF 0.2929 Mt CO2e (2024)
- Total greenhouse gas emissions excluding LULUCF per capita 2.81 t CO2e/capita (2024)
- Methane (CH4) emissions from Agriculture 0.0593 Mt CO2e (2024)
- Methane (CH4) emissions from Building (Energy) 0.0003 Mt CO2e (2024)
- Methane (CH4) emissions from Fugitive Emissions (Energy) 0.0007 Mt CO2e (2024)
- Methane (CH4) emissions from Industrial Combustion (Energy) 0 Mt CO2e (2024)
- Methane (CH4) emissions (total) excluding LULUCF 0.0975 Mt CO2e (2024)
- Methane (CH4) emissions from Power Industry (Energy) 0 Mt CO2e (2024)
- Methane (CH4) emissions from Transport (Energy) 0.0002 Mt CO2e (2024)
- Methane (CH4) emissions from Waste 0.037 Mt CO2e (2024)
Frequently asked questions
- What is using improved drinking water sources vs. gdp per capita in Tonga?
- Using improved drinking water sources vs. gdp per capita in Tonga was 99.8% 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 using improved drinking water sources vs. gdp per capita recorded in Tonga?
- The highest recorded value was 99.8% in 2024.
- What is the lowest using improved drinking water sources vs. gdp per capita recorded in Tonga?
- The lowest recorded value was 99.0% in 2004.
- How does Tonga rank for using improved drinking water sources vs. gdp per capita?
- Tonga ranks 73rd out of 231 countries with data for 2024.
- Is using improved drinking water sources vs. gdp per capita rising or falling in Tonga?
- Over the last ten years it is up 0.4%. 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 Using improved drinking water sources vs. GDP per capita. 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
Proportion of people who use an improved drinking water source, regardless of collection time. An improved drinking water source is a safely designed drinking water source and includes e.g. piped water, boreholes or tubewells and packaged or delivered water.