Democratic Republic of Congo vs Tanzania: People not using improved sanitation facilities

Democratic Republic of Congo
72.02 million people
in 2024
Tanzania
29.04 million people
in 2024
Democratic Republic of Congo rank
4th
Tanzania rank
6th

People not using improved sanitation facilities over time

  • Democratic Republic of Congo
  • Tanzania
020.0M40.0M60.0M80.0M200020122024

How they compare

Democratic Republic of Congo currently reports 72.02 million people against 29.04 million people in Tanzania, a difference of 42.99 million people.

That makes Democratic Republic of Congo's figure about 2.5 times Tanzania's.

The two have swapped places 1 time across 25 shared years of data; in 2000 it was Tanzania ahead.

Democratic Republic of Congo ranks 4th and Tanzania ranks 6th of 232 countries.

Across the 3 decades both report, Democratic Republic of Congo averaged higher in 2 and Tanzania in 1.

Head to head by decade

Decade Democratic Republic of Congo Tanzania Difference Ahead
2000s 32.45 million people 32.68 million people 230,820 people Tanzania
2010s 50.32 million people 32.69 million people 17.63 million people Democratic Republic of Congo
2020s 67.77 million people 30.38 million people 37.39 million people Democratic Republic of Congo

Averages of every year both report within each decade.

Frequently asked questions

Which has higher people not using improved sanitation facilities, Democratic Republic of Congo or Tanzania?
Democratic Republic of Congo, at 72.02 million people against 29.04 million people in Tanzania as of 2024.
What is the difference in people not using improved sanitation facilities between Democratic Republic of Congo and Tanzania?
42.99 million people, with Democratic Republic of Congo ahead.
How many years of comparable data are there for Democratic Republic of Congo and Tanzania?
25 years are reported by both, from 2000 to 2024.
How do Democratic Republic of Congo and Tanzania rank globally for people not using improved sanitation facilities?
Democratic Republic of Congo ranks 4th and Tanzania ranks 6th of 232 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 improved sanitation facilities. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Democratic Republic of Congo vs Tanzania: People not using improved sanitation facilities. 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://reference.statizoid.com/compare/number-without-access-to-improved-sanitation/congo-dem-rep/tanzania/

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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.