Gambia vs Tanzania: Share of population not using improved sanitation facilities
Gambia
40.1%
in 2024
Tanzania
42.4%
in 2024
Gambia rank
24th
Tanzania rank
21st
Share of population not using improved sanitation facilities over time
- Gambia
- Tanzania
How they compare
Tanzania currently reports 42.4% against 40.1% in Gambia, a difference of 2.3%.
That makes Tanzania's figure about 1.1 times Gambia's.
Across all 25 years both countries report, Tanzania has been ahead every year.
Gambia ranks 24th and Tanzania ranks 21st of 232 countries.
Tanzania has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Gambia | Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 20.2% | 84.7% | 64.5% | Tanzania |
| 2010s | 32.5% | 64.0% | 31.5% | Tanzania |
| 2020s | 39.8% | 47.1% | 7.2% | Tanzania |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of population not using improved sanitation facilities, Gambia or Tanzania?
- Tanzania, at 42.4% against 40.1% in Gambia as of 2024.
- What is the difference in share of population not using improved sanitation facilities between Gambia and Tanzania?
- 2.3%, with Tanzania ahead.
- How many years of comparable data are there for Gambia and Tanzania?
- 25 years are reported by both, from 2000 to 2024.
- How do Gambia and Tanzania rank globally for share of population not using improved sanitation facilities?
- Gambia ranks 24th and Tanzania ranks 21st of 232 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 sanitation facilities. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
If no improved sanitation facility is available, people might practice open defecation or use unimproved sanitation facilities.