Nigeria vs Tanzania: People not using improved sanitation facilities

Nigeria
84.29 million people
in 2024
Tanzania
29.04 million people
in 2024
Nigeria rank
3rd
Tanzania rank
6th

People not using improved sanitation facilities over time

  • Nigeria
  • Tanzania
20.0M40.0M60.0M80.0M200020122024

How they compare

Nigeria currently reports 84.29 million people against 29.04 million people in Tanzania, a difference of 55.26 million people.

That makes Nigeria's figure about 2.9 times Tanzania's.

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

Nigeria ranks 3rd and Tanzania ranks 6th of 232 countries.

Individual pages

About this data

Indicator
People not using improved sanitation facilities
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
232 places, 5,597 data points, 2000–2024
Last refreshed

If no improved sanitation facility is available, people might practice open defecation or use unimproved sanitation facilities.