How many years of comparable data are there for Benin and Tanzania?

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 Share of population not using improved drinking water sources. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Benin vs Tanzania: Share of population not using improved drinking water sources

Benin

23.0%

in 2024

Tanzania

22.6%

in 2024

Benin rank

13th

Tanzania rank

14th

Share of population not using improved drinking water sources over time

Benin
Tanzania

How they compare

Benin currently reports 23.0% against 22.6% in Tanzania, a difference of 0.4%.

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

Benin ranks 13th and Tanzania ranks 14th of 231 countries.

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

Head to head by decade

Decade	Benin	Tanzania	Difference	Ahead
2000s	29.6%	55.8%	26.2%	Tanzania
2010s	26.0%	38.4%	12.3%	Tanzania
2020s	23.6%	25.8%	2.2%	Tanzania

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of population not using improved drinking water sources, Benin or Tanzania?: Benin, at 23.0% against 22.6% in Tanzania as of 2024.
What is the difference in share of population not using improved drinking water sources between Benin and Tanzania?: 0.4%, with Benin ahead.
How many years of comparable data are there for Benin and Tanzania?: 25 years are reported by both, from 2000 to 2024.
How do Benin and Tanzania rank globally for share of population not using improved drinking water sources?: Benin ranks 13th and Tanzania ranks 14th 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 Share of population not using improved drinking water sources. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Benin vs Tanzania: Share of population not 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 22 September 2026, from https://environment.statizoid.com/compare/share-without-improved-water/benin/tanzania/

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About this data

Indicator: Share of population not using improved drinking water sources
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: 231 places, 5,586 data points, 2000–2024
Last refreshed: 18 September 2026

Proportion of people not using improved drinking water sources. These people might use surface water sources or unprotected springs or wells, as no safe and reliable improved drinking water source is available to them.