Sierra Leone vs Zambia: Share of population not using improved sanitation facilities

Sierra Leone

40.5%

in 2024

Zambia

39.9%

in 2024

Sierra Leone rank

23rd

Zambia rank

25th

Share of population not using improved sanitation facilities over time

Sierra Leone currently reports 40.5% against 39.9% in Zambia, a difference of 0.5%.

The two have swapped places 1 time across 25 shared years of data; in 2000 it was Zambia ahead.

Sierra Leone ranks 23rd and Zambia ranks 25th 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.