Guinea-Bissau vs Sierra Leone: Share of the population using at least basic sanitation services

Guinea-Bissau
28.9%
in 2024
Sierra Leone
24.9%
in 2024
Guinea-Bissau rank
217th
Sierra Leone rank
219th

Share of the population using at least basic sanitation services over time

  • Guinea-Bissau
  • Sierra Leone
51015202530200020122024

How they compare

Guinea-Bissau currently reports 28.9% against 24.9% in Sierra Leone, a difference of 4.0%.

That makes Guinea-Bissau's figure about 1.2 times Sierra Leone's.

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

Guinea-Bissau ranks 217th and Sierra Leone ranks 219th of 232 countries.

Across the 3 decades both report, Guinea-Bissau averaged higher in 2 and Sierra Leone in 1.

Head to head by decade

Decade Guinea-Bissau Sierra Leone Difference Ahead
2000s 8.5% 9.5% 1.0% Sierra Leone
2010s 20.1% 16.3% 3.8% Guinea-Bissau
2020s 28.5% 22.9% 5.5% Guinea-Bissau

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of the population using at least basic sanitation services, Guinea-Bissau or Sierra Leone?
Guinea-Bissau, at 28.9% against 24.9% in Sierra Leone as of 2024.
What is the difference in share of the population using at least basic sanitation services between Guinea-Bissau and Sierra Leone?
4.0%, with Guinea-Bissau ahead.
How many years of comparable data are there for Guinea-Bissau and Sierra Leone?
25 years are reported by both, from 2000 to 2024.
How do Guinea-Bissau and Sierra Leone rank globally for share of the population using at least basic sanitation services?
Guinea-Bissau ranks 217th and Sierra Leone ranks 219th 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 the population using at least basic sanitation services. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Guinea-Bissau vs Sierra Leone: Share of the population using at least basic sanitation services. Statizoid, drawing on WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data. Retrieved 01 September 2026, from https://population.statizoid.com/compare/share-of-population-with-improved-sanitation-faciltities/guinea-bissau/sierra-leone/

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About this data

Indicator
Share of the population using at least basic sanitation services
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

Proportion of people using improved sanitation facilities, such as toilets or latrines, that are not shared with other households.