Guinea vs Nigeria: Share of population not using improved drinking water sources

Guinea
13.8%
in 2024
Nigeria
13.8%
in 2024
Guinea rank
32nd
Nigeria rank
31st

Share of population not using improved drinking water sources over time

  • Guinea
  • Nigeria
1020304050200020122024

How they compare

Nigeria currently reports 13.8% against 13.8% in Guinea, a difference of 0.0%.

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

Guinea ranks 32nd and Nigeria ranks 31st of 231 countries.

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

Head to head by decade

Decade Guinea Nigeria Difference Ahead
2000s 31.9% 40.3% 8.3% Nigeria
2010s 22.5% 26.0% 3.5% Nigeria
2020s 15.6% 16.3% 0.7% Nigeria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of population not using improved drinking water sources, Guinea or Nigeria?
Nigeria, at 13.8% against 13.8% in Guinea as of 2024.
What is the difference in share of population not using improved drinking water sources between Guinea and Nigeria?
0.0%, with Nigeria ahead.
How many years of comparable data are there for Guinea and Nigeria?
25 years are reported by both, from 2000 to 2024.
How do Guinea and Nigeria rank globally for share of population not using improved drinking water sources?
Guinea ranks 32nd and Nigeria ranks 31st 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 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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Guinea vs Nigeria: Share of population 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/share-without-improved-water/guinea/nigeria/

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About this data

Indicator
Share of population not using improved drinking water sources
Unit
%
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

Proportion 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.