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.

Individual pages

About this data

Indicator: Share of population using at least a basic drinking water source
Unit: %
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: 231 places, 5,586 data points, 2000–2024
Last refreshed: 07 August 2026

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.