Guam vs Samoa: Share of population using at least a basic drinking water source
Guam
99.5%
in 2024
Samoa
99.4%
in 2024
Guam rank
76th
Samoa rank
78th
Share of population using at least a basic drinking water source over time
- Guam
- Samoa
How they compare
Guam currently reports 99.5% against 99.4% in Samoa, a difference of 0.1%.
Across all 25 years both countries report, Guam has been ahead every year.
Guam ranks 76th and Samoa ranks 78th of 231 countries.
Guam has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Guam | Samoa | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 99.5% | 87.6% | 11.9% | Guam |
| 2010s | 99.5% | 91.6% | 7.9% | Guam |
| 2020s | 99.5% | 98.0% | 1.5% | Guam |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of population using at least a basic drinking water source, Guam or Samoa?
- Guam, at 99.5% against 99.4% in Samoa as of 2024.
- What is the difference in share of population using at least a basic drinking water source between Guam and Samoa?
- 0.1%, with Guam ahead.
- How many years of comparable data are there for Guam and Samoa?
- 25 years are reported by both, from 2000 to 2024.
- How do Guam and Samoa rank globally for share of population using at least a basic drinking water source?
- Guam ranks 76th and Samoa ranks 78th 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 using at least a basic drinking water source. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Proportion of people who use an improved drinking water source, which is either located on their premises, or at a collection point, which takes no more than 30 minutes for a roundtrip.