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

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.

Indicator: Share of population not using improved sanitation facilities
Unit: %
Source: WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 232 places, 5,597 data points, 2000–2024
Last refreshed: 07 August 2026

If no improved sanitation facility is available, people might practice open defecation or use unimproved sanitation facilities.