Congo vs Japan: People not using improved drinking water sources

Congo
952,417 people
in 2021
Japan
1.01 million people
in 2024
Congo rank
57th
Japan rank
54th

People not using improved drinking water sources over time

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

How they compare

Japan currently reports 1.01 million people against 952,417 people in Congo, a difference of 58,443 people.

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

Across all 22 years both countries report, Japan has been ahead every year.

Congo ranks 57th and Japan ranks 54th of 231 countries.

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

Head to head by decade

Decade Congo Japan Difference Ahead
2000s 1.03 million people 1.82 million people 795,171 people Japan
2010s 968,141 people 1.42 million people 451,775 people Japan
2020s 946,766 people 1.14 million people 192,429 people Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher people not using improved drinking water sources, Congo or Japan?
Japan, at 1.01 million people against 952,417 people in Congo as of 2024.
What is the difference in people not using improved drinking water sources between Congo and Japan?
58,443 people, with Japan ahead.
How many years of comparable data are there for Congo and Japan?
22 years are reported by both, from 2000 to 2021.
How do Congo and Japan rank globally for people not using improved drinking water sources?
Congo ranks 57th and Japan ranks 54th 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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Congo vs Japan: 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/congo-rep/japan/

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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.