Nigeria vs Tanzania: People in rural areas not using an improved water source

Nigeria
28.85 million people
in 2024
Tanzania
14.74 million people
in 2024
Nigeria rank
3rd
Tanzania rank
6th

People in rural areas not using an improved water source over time

  • Nigeria
  • Tanzania
10.0M20.0M30.0M40.0M50.0M200020122024

How they compare

Nigeria currently reports 28.85 million people against 14.74 million people in Tanzania, a difference of 14.11 million people.

That makes Nigeria's figure about 2.0 times Tanzania's.

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

Nigeria ranks 3rd and Tanzania ranks 6th of 178 countries.

Individual pages

About this data

Indicator
People in rural areas not using an improved water source
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
178 places, 4,351 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.