Guinea-Bissau vs Tanzania: Share of population using at least a basic drinking water source
Guinea-Bissau
61.8%
in 2024
Tanzania
64.6%
in 2024
Guinea-Bissau rank
220th
Tanzania rank
218th
Share of population using at least a basic drinking water source over time
- Guinea-Bissau
- Tanzania
How they compare
Tanzania currently reports 64.6% against 61.8% in Guinea-Bissau, a difference of 2.8%.
The two have swapped places 1 time across 25 shared years of data; in 2000 it was Guinea-Bissau ahead.
Guinea-Bissau ranks 220th and Tanzania ranks 218th of 231 countries.
Guinea-Bissau has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Guinea-Bissau | Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 57.0% | 34.8% | 22.2% | Guinea-Bissau |
| 2010s | 60.2% | 49.9% | 10.3% | Guinea-Bissau |
| 2020s | 61.6% | 61.5% | 0.1% | Guinea-Bissau |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of population using at least a basic drinking water source, Guinea-Bissau or Tanzania?
- Tanzania, at 64.6% against 61.8% in Guinea-Bissau as of 2024.
- What is the difference in share of population using at least a basic drinking water source between Guinea-Bissau and Tanzania?
- 2.8%, with Tanzania ahead.
- How many years of comparable data are there for Guinea-Bissau and Tanzania?
- 25 years are reported by both, from 2000 to 2024.
- How do Guinea-Bissau and Tanzania rank globally for share of population using at least a basic drinking water source?
- Guinea-Bissau ranks 220th and Tanzania ranks 218th 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 using at least a basic drinking water source. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Proportion of people who use an improved drinking water source, which is either located on their premises, or at a collection point, which takes no more than 30 minutes for a roundtrip.