Guam vs Reunion: People not using improved drinking water sources

Guam
789.72 people
in 2024
Reunion
1,017 people
in 2024
Guam rank
157th
Reunion rank
154th

People not using improved drinking water sources over time

  • Guam
  • Reunion
05001.0k1.5k2.0k200020122024

How they compare

Reunion currently reports 1,017 people against 789.72 people in Guam, a difference of 227.28 people.

That makes Reunion's figure about 1.3 times Guam's.

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

Guam ranks 157th and Reunion ranks 154th of 231 countries.

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

Head to head by decade

Decade Guam Reunion Difference Ahead
2000s 842.99 people 1,804 people 960.64 people Reunion
2010s 807.13 people 1,457 people 650.37 people Reunion
2020s 779.46 people 1,075 people 295.43 people Reunion

Averages of every year both report within each decade.

Frequently asked questions

Which has higher people not using improved drinking water sources, Guam or Reunion?
Reunion, at 1,017 people against 789.72 people in Guam as of 2024.
What is the difference in people not using improved drinking water sources between Guam and Reunion?
227.28 people, with Reunion ahead.
How many years of comparable data are there for Guam and Reunion?
25 years are reported by both, from 2000 to 2024.
How do Guam and Reunion rank globally for people not using improved drinking water sources?
Guam ranks 157th and Reunion ranks 154th 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 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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Guam vs Reunion: People 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/number-without-improved-water/guam/reunion/

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About this data

Indicator
People not 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

Number 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.