Gambia vs Sierra Leone: Share of population not using improved sanitation facilities
Gambia
40.1%
in 2024
Sierra Leone
40.5%
in 2024
Gambia rank
24th
Sierra Leone rank
23rd
Share of population not using improved sanitation facilities over time
- Gambia
- Sierra Leone
How they compare
Sierra Leone currently reports 40.5% against 40.1% in Gambia, a difference of 0.4%.
Across all 25 years both countries report, Sierra Leone has been ahead every year.
Gambia ranks 24th and Sierra Leone ranks 23rd of 232 countries.
Sierra Leone has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Gambia | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 20.2% | 62.5% | 42.3% | Sierra Leone |
| 2010s | 32.5% | 51.3% | 18.9% | Sierra Leone |
| 2020s | 39.8% | 42.8% | 3.0% | Sierra Leone |
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 Sierra Leone?
- Sierra Leone, at 40.5% against 40.1% in Gambia as of 2024.
- What is the difference in share of population not using improved sanitation facilities between Gambia and Sierra Leone?
- 0.4%, with Sierra Leone ahead.
- How many years of comparable data are there for Gambia and Sierra Leone?
- 25 years are reported by both, from 2000 to 2024.
- How do Gambia and Sierra Leone rank globally for share of population not using improved sanitation facilities?
- Gambia ranks 24th and Sierra Leone ranks 23rd 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.