How many years of comparable data are there for Mongolia and Yemen?

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.

Mongolia vs Yemen: Share of population not using improved drinking water sources

Mongolia

8.4%

in 2024

Yemen

9.1%

in 2024

Mongolia rank

47th

Yemen rank

44th

Share of population not using improved drinking water sources over time

Mongolia
Yemen

How they compare

Yemen currently reports 9.1% against 8.4% in Mongolia, a difference of 0.7%.

That makes Yemen's figure about 1.1 times Mongolia's.

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

Mongolia ranks 47th and Yemen ranks 44th of 231 countries.

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

Head to head by decade

Decade	Mongolia	Yemen	Difference	Ahead
2000s	24.8%	35.0%	10.2%	Yemen
2010s	14.9%	21.2%	6.3%	Yemen
2020s	9.8%	11.6%	1.7%	Yemen

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of population not using improved drinking water sources, Mongolia or Yemen?: Yemen, at 9.1% against 8.4% in Mongolia as of 2024.
What is the difference in share of population not using improved drinking water sources between Mongolia and Yemen?: 0.7%, with Yemen ahead.
How many years of comparable data are there for Mongolia and Yemen?: 25 years are reported by both, from 2000 to 2024.
How do Mongolia and Yemen rank globally for share of population not using improved drinking water sources?: Mongolia ranks 47th and Yemen ranks 44th 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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Mongolia vs Yemen: 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/mongolia/yemen-rep/

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<a href="https://environment.statizoid.com/compare/share-without-improved-water/mongolia/yemen-rep/">Mongolia vs Yemen: Share of population not using improved drinking water sources</a> — Statizoid

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.