Nigeria vs Tonga: Share using safely managed drinking water
Nigeria
29.9%
in 2024
Tonga
29.6%
in 2024
Nigeria rank
143rd
Tonga rank
144th
Share using safely managed drinking water over time
- Nigeria
- Tonga
How they compare
Nigeria currently reports 29.9% against 29.6% in Tonga, a difference of 0.3%.
The two have swapped places 1 time across 25 shared years of data; in 2000 it was Tonga ahead.
Nigeria ranks 143rd and Tonga ranks 144th of 163 countries.
Tonga has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Nigeria | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 16.1% | 29.3% | 13.2% | Tonga |
| 2010s | 24.5% | 29.5% | 5.0% | Tonga |
| 2020s | 28.9% | 29.6% | 0.7% | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share using safely managed drinking water, Nigeria or Tonga?
- Nigeria, at 29.9% against 29.6% in Tonga as of 2024.
- What is the difference in share using safely managed drinking water between Nigeria and Tonga?
- 0.3%, with Nigeria ahead.
- How many years of comparable data are there for Nigeria and Tonga?
- 25 years are reported by both, from 2000 to 2024.
- How do Nigeria and Tonga rank globally for share using safely managed drinking water?
- Nigeria ranks 143rd and Tonga ranks 144th of 163 countries.
- Where does this data come from?
- WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) β processed by Our World in Data, published as Share using safely managed drinking water. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Proportion of people using an improved drinking water source that is located on premises, available when needed and free from fecal and priority chemical contamination.