People using at least a basic drinking water source in Tanzania
Tanzania: People using at least a basic drinking water source was 44.29 million people in 2024. ▲ Rising
People using at least a basic drinking water source in Tanzania, 2000–2024
Source: WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data. Measured in people.
Analysis
The most recent figure for people using at least a basic drinking water source in Tanzania is 44.29 million people, measured in 2024. That is the highest value across all 25 years on record.
The figure is up 5.4% on the previous year and up 79.1% over ten years.
Over the whole period, people using at least a basic drinking water source in Tanzania peaked at 44.29 million people in 2024 and was at its lowest, 9.80 million people, in 2000.
Tanzania ranks 29th of 231 countries on this measure, in the top quarter.
The long-run direction has been consistently rising across the 25 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 13.63 million people | 9.80 million people | 18.08 million people | 10 |
| 2010s | 25.93 million people | 19.23 million people | 33.66 million people | 10 |
| 2020s | 39.89 million people | 35.63 million people | 44.29 million people | 5 |
Countries ranked near Tanzania
More environment data for Tanzania
- Total greenhouse gas emissions excluding LULUCF 102.53 Mt CO2e (2024)
- Total greenhouse gas emissions excluding LULUCF per capita 1.5 t CO2e/capita (2024)
- Methane (CH4) emissions from Agriculture 43.66 Mt CO2e (2024)
- Methane (CH4) emissions from Building (Energy) 5.56 Mt CO2e (2024)
- Methane (CH4) emissions from Fugitive Emissions (Energy) 6.87 Mt CO2e (2024)
- Methane (CH4) emissions from Industrial Combustion (Energy) 0.0551 Mt CO2e (2024)
- Methane (CH4) emissions (total) excluding LULUCF 59.72 Mt CO2e (2024)
- Methane (CH4) emissions from Power Industry (Energy) 0.0064 Mt CO2e (2024)
- Methane (CH4) emissions from Transport (Energy) 0.0605 Mt CO2e (2024)
- Methane (CH4) emissions from Waste 3.51 Mt CO2e (2024)
Frequently asked questions
- What is people using at least a basic drinking water source in Tanzania?
- People using at least a basic drinking water source in Tanzania was 44.29 million people in 2024, according to WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data.
- What is the highest people using at least a basic drinking water source recorded in Tanzania?
- The highest recorded value was 44.29 million people in 2024.
- What is the lowest people using at least a basic drinking water source recorded in Tanzania?
- The lowest recorded value was 9.80 million people in 2000.
- How does Tanzania rank for people using at least a basic drinking water source?
- Tanzania ranks 29th out of 231 countries with data for 2024.
- Is people using at least a basic drinking water source rising or falling in Tanzania?
- Over the last ten years it is up 79.1%. The long-run trend across the full record is rising.
- Where does this Tanzania data come from?
- The figures come from WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data, published as part of People using at least a basic drinking water source. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 25 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Number of people using an improved drinking water source, which is either available on premises, or collection time is no more than 30 minutes for a roundtrip.