Japan vs Vietnam: People not using improved drinking water sources
Japan
1.01 million people
in 2024
Vietnam
1.25 million people
in 2024
Japan rank
54th
Vietnam rank
53rd
People not using improved drinking water sources over time
- Japan
- Vietnam
How they compare
Vietnam currently reports 1.25 million people against 1.01 million people in Japan, a difference of 240,130 people.
That makes Vietnam's figure about 1.2 times Japan's.
Across all 25 years both countries report, Vietnam has been ahead every year.
Japan ranks 54th and Vietnam ranks 53rd of 231 countries.
Vietnam has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Japan | Vietnam | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 1.82 million people | 11.97 million people | 10.15 million people | Vietnam |
| 2010s | 1.42 million people | 6.78 million people | 5.36 million people | Vietnam |
| 2020s | 1.07 million people | 2.44 million people | 1.37 million people | Vietnam |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher people not using improved drinking water sources, Japan or Vietnam?
- Vietnam, at 1.25 million people against 1.01 million people in Japan as of 2024.
- What is the difference in people not using improved drinking water sources between Japan and Vietnam?
- 240,130 people, with Vietnam ahead.
- How many years of comparable data are there for Japan and Vietnam?
- 25 years are reported by both, from 2000 to 2024.
- How do Japan and Vietnam rank globally for people not using improved drinking water sources?
- Japan ranks 54th and Vietnam ranks 53rd 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.
Individual pages
About this data
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.