Tanzania vs Tonga: Share of population using safely managed sanitation
Tanzania
28.5%
in 2024
Tonga
31.2%
in 2024
Tanzania rank
117th
Tonga rank
115th
Share of population using safely managed sanitation over time
- Tanzania
- Tonga
How they compare
Tonga currently reports 31.2% against 28.5% in Tanzania, a difference of 2.7%.
That makes Tonga's figure about 1.1 times Tanzania's.
Across all 25 years both countries report, Tonga has been ahead every year.
Tanzania ranks 117th and Tonga ranks 115th of 150 countries.
Tonga has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Tanzania | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 8.5% | 39.0% | 30.5% | Tonga |
| 2010s | 19.5% | 37.2% | 17.7% | Tonga |
| 2020s | 26.5% | 31.9% | 5.4% | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of population using safely managed sanitation, Tanzania or Tonga?
- Tonga, at 31.2% against 28.5% in Tanzania as of 2024.
- What is the difference in share of population using safely managed sanitation between Tanzania and Tonga?
- 2.7%, with Tonga ahead.
- How many years of comparable data are there for Tanzania and Tonga?
- 25 years are reported by both, from 2000 to 2024.
- How do Tanzania and Tonga rank globally for share of population using safely managed sanitation?
- Tanzania ranks 117th and Tonga ranks 115th of 150 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 using safely managed sanitation. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Proportion of people using improved sanitation facilities that are not shared with other households and where excreta are safely disposed in situ or transported and treated off-site.