Reunion vs Tonga: Share of population not using improved drinking water sources
Reunion
0.1%
in 2024
Tonga
0.2%
in 2024
Reunion rank
161st
Tonga rank
159th
Share of population not using improved drinking water sources over time
- Reunion
- Tonga
How they compare
Tonga currently reports 0.2% against 0.1% in Reunion, a difference of 0.1%.
That makes Tonga's figure about 1.4 times Reunion's.
Across all 25 years both countries report, Tonga has been ahead every year.
Reunion ranks 161st and Tonga ranks 159th of 231 countries.
Tonga has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Reunion | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 0.2% | 1.0% | 0.7% | Tonga |
| 2010s | 0.2% | 0.6% | 0.4% | Tonga |
| 2020s | 0.1% | 0.2% | 0.1% | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of population not using improved drinking water sources, Reunion or Tonga?
- Tonga, at 0.2% against 0.1% in Reunion as of 2024.
- What is the difference in share of population not using improved drinking water sources between Reunion and Tonga?
- 0.1%, with Tonga ahead.
- How many years of comparable data are there for Reunion and Tonga?
- 25 years are reported by both, from 2000 to 2024.
- How do Reunion and Tonga rank globally for share of population not using improved drinking water sources?
- Reunion ranks 161st and Tonga ranks 159th of 231 countries.
- Where does this data come from?
- WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data, published as Share of population not using improved drinking water sources. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Proportion of people not using improved drinking water sources. These people might use surface water sources or unprotected springs or wells, as no safe and reliable improved drinking water source is available to them.