Indonesia vs Tanzania: People not using improved drinking water sources
Indonesia
13.30 million people
in 2024
Tanzania
15.46 million people
in 2024
Indonesia rank
8th
Tanzania rank
6th
People not using improved drinking water sources over time
- Indonesia
- Tanzania
How they compare
Tanzania currently reports 15.46 million people against 13.30 million people in Indonesia, a difference of 2.17 million people.
That makes Tanzania's figure about 1.2 times Indonesia's.
The two have swapped places 1 time across 25 shared years of data; in 2000 it was Indonesia ahead.
Indonesia ranks 8th and Tanzania ranks 6th of 231 countries.
Across the 3 decades both report, Indonesia averaged higher in 2 and Tanzania in 1.
Head to head by decade
| Decade | Indonesia | Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 45.32 million people | 21.49 million people | 23.83 million people | Indonesia |
| 2010s | 28.03 million people | 19.56 million people | 8.48 million people | Indonesia |
| 2020s | 14.59 million people | 16.65 million people | 2.06 million people | Tanzania |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher people not using improved drinking water sources, Indonesia or Tanzania?
- Tanzania, at 15.46 million people against 13.30 million people in Indonesia as of 2024.
- What is the difference in people not using improved drinking water sources between Indonesia and Tanzania?
- 2.17 million people, with Tanzania ahead.
- How many years of comparable data are there for Indonesia and Tanzania?
- 25 years are reported by both, from 2000 to 2024.
- How do Indonesia and Tanzania rank globally for people not using improved drinking water sources?
- Indonesia ranks 8th and Tanzania ranks 6th 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 People not using improved drinking water sources. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
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.