What is the difference in sanitation facilities usage between Senegal and Sierra Leone?

189,600 people, with Sierra Leone ahead.

How many years of comparable data are there for Senegal and Sierra Leone?

25 years are reported by both, from 2000 to 2024.

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 Sanitation facilities usage. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Senegal vs Sierra Leone: Sanitation facilities usage

Senegal

1.14 million people

in 2024

Sierra Leone

1.33 million people

in 2024

Senegal rank

35th

Sierra Leone rank

32nd

Sanitation facilities usage over time

Senegal
Sierra Leone

How they compare

Sierra Leone currently reports 1.33 million people against 1.14 million people in Senegal, a difference of 189,600 people.

That makes Sierra Leone's figure about 1.2 times Senegal's.

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

Senegal ranks 35th and Sierra Leone ranks 32nd of 232 countries.

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

Head to head by decade

Decade	Senegal	Sierra Leone	Difference	Ahead
2000s	2.33 million people	1.26 million people	1.07 million people	Senegal
2010s	1.86 million people	1.34 million people	517,781 people	Senegal
2020s	1.32 million people	1.34 million people	13,170 people	Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher sanitation facilities usage, Senegal or Sierra Leone?: Sierra Leone, at 1.33 million people against 1.14 million people in Senegal as of 2024.
What is the difference in sanitation facilities usage between Senegal and Sierra Leone?: 189,600 people, with Sierra Leone ahead.
How many years of comparable data are there for Senegal and Sierra Leone?: 25 years are reported by both, from 2000 to 2024.
How do Senegal and Sierra Leone rank globally for sanitation facilities usage?: Senegal ranks 35th and Sierra Leone ranks 32nd 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 Sanitation facilities usage. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Senegal vs Sierra Leone: Sanitation facilities usage. Statizoid, drawing on WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/compare/sanitation-facilities-coverage/senegal/sierra-leone/

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<a href="https://reference.statizoid.com/compare/sanitation-facilities-coverage/senegal/sierra-leone/">Senegal vs Sierra Leone: Sanitation facilities usage</a> — Statizoid

About this data

Indicator: Sanitation facilities usage
Unit: people
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, 5,488 data points, 2000–2024
Last refreshed: 18 September 2026

Open defecation includes defecating in fields, forests, bushes, bodies of water or other open spaces, not using any sanitation facilities.