Share of population using at least a basic drinking water source in Tanzania
Tanzania: Share of population using at least a basic drinking water source was 64.6% in 2024. ▲ Rising
Share of population 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 %.
Analysis
Tanzania recorded 64.6% for share of population using at least a basic drinking water source in 2024. That is the highest value across all 25 years on record.
Compared with earlier readings it is up 2.4% on the previous year and up 31.5% over ten years.
Over the whole period, share of population using at least a basic drinking water source in Tanzania peaked at 64.6% in 2024 and was at its lowest, 28.6%, in 2000.
That places Tanzania 218th out of 231 countries with data for 2024, putting it in the bottom quarter.
The long-run direction has been consistently rising across the 25 years of available data.
Share of population using at least a basic drinking water source in Tanzania, year by year
| Year | % | Change |
|---|---|---|
| 2000 | 28.6% | — |
| 2001 | 29.9% | +4.4% |
| 2002 | 31.1% | +4.2% |
| 2003 | 32.5% | +4.3% |
| 2004 | 33.9% | +4.5% |
| 2005 | 35.4% | +4.4% |
| 2006 | 36.9% | +4.2% |
| 2007 | 38.4% | +4.1% |
| 2008 | 39.9% | +3.9% |
| 2009 | 41.4% | +3.8% |
| 2010 | 43.0% | +3.7% |
| 2011 | 44.5% | +3.6% |
| 2012 | 46.0% | +3.5% |
| 2013 | 47.6% | +3.4% |
| 2014 | 49.1% | +3.2% |
| 2015 | 50.7% | +3.2% |
| 2016 | 52.2% | +3.1% |
| 2017 | 53.8% | +3.0% |
| 2018 | 55.3% | +2.9% |
| 2019 | 56.9% | +2.8% |
| 2020 | 58.4% | +2.7% |
| 2021 | 60.0% | +2.6% |
| 2022 | 61.5% | +2.6% |
| 2023 | 63.1% | +2.5% |
| 2024 | 64.6% | +2.4% |
Tanzania compared with similar countries
- Tanzania's 64.6% is below the median for lower middle income countries, which is 85.4%, 76% of the median. (46 countries reporting)
- Tanzania's 64.6% is below the median for Sub-Saharan Africa, which is 72.2%, 89% of the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 34.8% | 28.6% | 41.4% | 10 |
| 2010s | 49.9% | 43.0% | 56.9% | 10 |
| 2020s | 61.5% | 58.4% | 64.6% | 5 |
Countries ranked near Tanzania
More environment data for Tanzania
- Historical exposure to drought — Land soil moisture anomaly -7.52 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -7.29 Percentage change (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 3.06 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), annual growth rate 5.16 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Building (Energy) (Mt CO2e), annual 0 % change on previous year (2024)
- Methane (CH4) emissions from Building (Energy) (Mt CO2e), per unit of 0 Mt CO2e per US$ of GDP (2024)
Frequently asked questions
- What is share of population using at least a basic drinking water source in Tanzania?
- Share of population using at least a basic drinking water source in Tanzania was 64.6% 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 share of population using at least a basic drinking water source recorded in Tanzania?
- The highest recorded value was 64.6% in 2024.
- What is the lowest share of population using at least a basic drinking water source recorded in Tanzania?
- The lowest recorded value was 28.6% in 2000.
- How does Tanzania rank for share of population using at least a basic drinking water source?
- Tanzania ranks 218th out of 231 countries with data for 2024.
- Is share of population using at least a basic drinking water source rising or falling in Tanzania?
- Over the last ten years it is up 31.5%. 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 Share of population using at least a basic drinking water source. Statizoid updates them automatically from the source API.
Download this data
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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.