How many years of comparable data are there for Cameroon and Nigeria?

25 years are reported by both, from 2000 to 2024.

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.

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

Cameroon

13.7%

in 2024

Nigeria

13.8%

in 2024

Cameroon rank

33rd

Nigeria rank

31st

Share of population not using improved drinking water sources over time

Cameroon
Nigeria

How they compare

Nigeria currently reports 13.8% against 13.7% in Cameroon, a difference of 0.1%.

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

Cameroon ranks 33rd 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	Cameroon	Nigeria	Difference	Ahead
2000s	32.5%	40.3%	7.7%	Nigeria
2010s	22.2%	26.0%	3.8%	Nigeria
2020s	15.4%	16.3%	0.9%	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, Cameroon or Nigeria?: Nigeria, at 13.8% against 13.7% in Cameroon as of 2024.
What is the difference in share of population not using improved drinking water sources between Cameroon and Nigeria?: 0.1%, with Nigeria ahead.
How many years of comparable data are there for Cameroon and Nigeria?: 25 years are reported by both, from 2000 to 2024.
How do Cameroon and Nigeria rank globally for share of population not using improved drinking water sources?: Cameroon ranks 33rd 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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Cameroon 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 23 September 2026, from https://environment.statizoid.com/compare/share-without-improved-water/cameroon/nigeria/

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<a href="https://environment.statizoid.com/compare/share-without-improved-water/cameroon/nigeria/">Cameroon vs Nigeria: Share of population not using improved drinking water sources</a> — Statizoid

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: 18 September 2026

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.