Drinking water service usage in Tanzania
Tanzania: Drinking water service usage was 31.3% in 2024. ◆ Volatile
Drinking water service usage 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 %.
Analysis
The most recent figure for drinking water service usage in Tanzania is 31.3%, measured in 2024. That is the highest value across all 25 years on record.
Compared with earlier readings it is up 2.2% on the previous year and up 59.8% over ten years.
Over the whole period, drinking water service usage in Tanzania peaked at 31.3% in 2024 and was at its lowest, 1.3%, in 2000.
That places Tanzania 138th out of 163 countries with data for 2024, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 3.6% | 1.3% | 9.1% | 10 |
| 2010s | 19.6% | 11.0% | 27.2% | 10 |
| 2020s | 29.9% | 28.6% | 31.3% | 5 |
Countries ranked near Tanzania
- 135 Sao Tome and Principe 36.7% compare
- 136 Cote d'Ivoire 36.4% compare
- 137 Laos 35.2% compare
- 139 Lesotho 31.3% compare
- 140 Afghanistan 30.6% compare
- 141 Indonesia 30.5% compare
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 drinking water service usage in Tanzania?
- Drinking water service usage in Tanzania was 31.3% 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 drinking water service usage recorded in Tanzania?
- The highest recorded value was 31.3% in 2024.
- What is the lowest drinking water service usage recorded in Tanzania?
- The lowest recorded value was 1.3% in 2000.
- How does Tanzania rank for drinking water service usage?
- Tanzania ranks 138th out of 163 countries with data for 2024.
- Is drinking water service usage rising or falling in Tanzania?
- Over the last ten years it is up 59.8%. The long-run trend across the full record is volatile.
- 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 Drinking water service usage. 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
Proportion of people using an improved drinking water source that is located on premises, available when needed and free from faecal and priority chemical contamination.