Democratic Republic of Congo vs Nigeria: People not using safely managed drinking water sources

Democratic Republic of Congo
96.30 million people
in 2024
Nigeria
163.10 million people
in 2024
Democratic Republic of Congo rank
6th
Nigeria rank
3rd

People not using safely managed drinking water sources over time

  • Democratic Republic of Congo
  • Nigeria
50.0M75.0M100.0M125.0M150.0M175.0M200020122024

How they compare

Nigeria currently reports 163.10 million people against 96.30 million people in Democratic Republic of Congo, a difference of 66.80 million people.

That makes Nigeria's figure about 1.7 times Democratic Republic of Congo's.

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

Democratic Republic of Congo ranks 6th and Nigeria ranks 3rd of 163 countries.

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

Head to head by decade

Decade Democratic Republic of Congo Nigeria Difference Ahead
2000s 51.08 million people 120.15 million people 69.08 million people Nigeria
2010s 70.84 million people 141.80 million people 70.97 million people Nigeria
2020s 90.67 million people 158.71 million people 68.04 million people Nigeria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher people not using safely managed drinking water sources, Democratic Republic of Congo or Nigeria?
Nigeria, at 163.10 million people against 96.30 million people in Democratic Republic of Congo as of 2024.
What is the difference in people not using safely managed drinking water sources between Democratic Republic of Congo and Nigeria?
66.80 million people, with Nigeria ahead.
How many years of comparable data are there for Democratic Republic of Congo and Nigeria?
25 years are reported by both, from 2000 to 2024.
How do Democratic Republic of Congo and Nigeria rank globally for people not using safely managed drinking water sources?
Democratic Republic of Congo ranks 6th and Nigeria ranks 3rd of 163 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 safely managed drinking water sources. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Democratic Republic of Congo vs Nigeria: People not using safely managed 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-safe-drinking-water/congo-dem-rep/nigeria/

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About this data

Indicator
People not using safely managed 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
163 places, 3,991 data points, 2000–2024
Last refreshed

People not using safely managed drinking water sources either use unimproved drinking water sources or the improved sources they use are not located on their premises, not available when needed, or not free of contamination.