Piauí vs Tonga: % of public schools of basic education that have no access to sewage
Piauí
4.8
in 2025
Tonga
2.1
in 2025
Piauí rank
4th
Tonga rank
7th
% of public schools of basic education that have no access to sewage over time
- Piauí
- Tonga
How they compare
Piauí currently reports 4.8 against 2.1 in Tonga, a difference of 2.7.
That makes Piauí's figure about 2.3 times Tonga's.
Across all 16 years both countries report, Piauí has been ahead every year.
Piauí ranks 4th and Tonga ranks 7th of 11 groups.
Piauí has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | Piauí | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 12.04 | 7.82 | 4.22 | Piauí |
| 2020s | 8.3 | 4.37 | 3.93 | Piauí |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher % of public schools of basic education that have no access to sewage, Piauí or Tonga?
- Piauí, at 4.8 against 2.1 in Tonga as of 2025.
- What is the difference in % of public schools of basic education that have no access to sewage between Piauí and Tonga?
- 2.7, with Piauí ahead.
- How many years of comparable data are there for Piauí and Tonga?
- 16 years are reported by both, from 2010 to 2025.
- How do Piauí and Tonga rank globally for % of public schools of basic education that have no access to sewage?
- Piauí ranks 4th and Tonga ranks 7th of 11 groups.
- Where does this data come from?
- UNICEF, published as % of public schools of basic education that have no access to sewage. Statizoid refreshes it automatically from the source and publishes the full history for both places.