What is the difference in people using improved drinking water sources between Guinea-Bissau and Mauritania?

37,483 people, with Mauritania ahead.

How many years of comparable data are there for Guinea-Bissau and Mauritania?

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 People using improved drinking water sources. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Guinea-Bissau vs Mauritania: People using improved drinking water sources

Guinea-Bissau

493,534 people

in 2024

Mauritania

531,017 people

in 2024

Guinea-Bissau rank

61st

Mauritania rank

59th

People using improved drinking water sources over time

Guinea-Bissau
Mauritania

How they compare

Mauritania currently reports 531,017 people against 493,534 people in Guinea-Bissau, a difference of 37,483 people.

That makes Mauritania's figure about 1.1 times Guinea-Bissau's.

Across all 25 years both countries report, Mauritania has been ahead every year.

Guinea-Bissau ranks 61st and Mauritania ranks 59th of 231 countries.

Mauritania has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Guinea-Bissau	Mauritania	Difference	Ahead
2000s	493,849 people	841,615 people	347,766 people	Mauritania
2010s	491,094 people	721,603 people	230,508 people	Mauritania
2020s	479,486 people	578,940 people	99,454 people	Mauritania

Averages of every year both report within each decade.

Frequently asked questions

Which has higher people using improved drinking water sources, Guinea-Bissau or Mauritania?: Mauritania, at 531,017 people against 493,534 people in Guinea-Bissau as of 2024.
What is the difference in people using improved drinking water sources between Guinea-Bissau and Mauritania?: 37,483 people, with Mauritania ahead.
How many years of comparable data are there for Guinea-Bissau and Mauritania?: 25 years are reported by both, from 2000 to 2024.
How do Guinea-Bissau and Mauritania rank globally for people using improved drinking water sources?: Guinea-Bissau ranks 61st and Mauritania ranks 59th of 231 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 People using improved drinking water sources. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Guinea-Bissau vs Mauritania: People using improved drinking water sources. Statizoid, drawing on WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data. Retrieved 12 September 2026, from https://environment.statizoid.com/compare/number-of-people-in-the-world-with-and-without-access-to-improved-water-sources/guinea-bissau/mauritania/

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<a href="https://environment.statizoid.com/compare/number-of-people-in-the-world-with-and-without-access-to-improved-water-sources/guinea-bissau/mauritania/">Guinea-Bissau vs Mauritania: People using improved drinking water sources</a> — Statizoid

About this data

Indicator: People using improved drinking water sources
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: 231 places, 5,586 data points, 2000–2024
Last refreshed: 28 August 2026

Number of people using only unimproved drinking water sources.