Guinea vs Japan: People using improved drinking water sources

Guinea
1.14 million people
in 2024
Japan
1.01 million people
in 2024
Guinea rank
45th
Japan rank
47th

People using improved drinking water sources over time

  • Guinea
  • Japan
0500.0k1.0M1.5M2.0M200020122024

How they compare

Guinea currently reports 1.14 million people against 1.01 million people in Japan, a difference of 130,920 people.

That makes Guinea's figure about 1.1 times Japan's.

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

Guinea ranks 45th and Japan ranks 47th of 231 countries.

Across the 3 decades both report, Guinea averaged higher in 1 and Japan in 2.

Head to head by decade

Decade Guinea Japan Difference Ahead
2000s 1.55 million people 1.82 million people 279,207 people Japan
2010s 1.41 million people 1.42 million people 4,961 people Japan
2020s 1.22 million people 1.07 million people 145,212 people Guinea

Averages of every year both report within each decade.

Frequently asked questions

Which has higher people using improved drinking water sources, Guinea or Japan?
Guinea, at 1.14 million people against 1.01 million people in Japan as of 2024.
What is the difference in people using improved drinking water sources between Guinea and Japan?
130,920 people, with Guinea ahead.
How many years of comparable data are there for Guinea and Japan?
25 years are reported by both, from 2000 to 2024.
How do Guinea and Japan rank globally for people using improved drinking water sources?
Guinea ranks 45th and Japan ranks 47th 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 using improved drinking water sources. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Guinea vs Japan: People 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 08 September 2026, from https://environment.statizoid.com/compare/number-of-people-in-the-world-with-and-without-access-to-improved-water-sources/guinea/japan/

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About this data

Indicator
People 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 using only unimproved drinking water sources.