Share using safely managed drinking water in Tanzania
Tanzania: Share using safely managed drinking water was 31.3% in 2024. ◆ Volatile
Share using safely managed drinking water 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 31.3% for share using safely managed drinking water 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, share using safely managed drinking water 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.
Share using safely managed drinking water in Tanzania, year by year
| Year | % | Change |
|---|---|---|
| 2000 | 1.3% | — |
| 2001 | 1.3% | +2.9% |
| 2002 | 1.4% | +2.8% |
| 2003 | 1.4% | +3.7% |
| 2004 | 2.1% | +52.0% |
| 2005 | 2.9% | +36.7% |
| 2006 | 4.0% | +37.8% |
| 2007 | 5.6% | +39.1% |
| 2008 | 7.3% | +30.0% |
| 2009 | 9.1% | +24.6% |
| 2010 | 11.0% | +20.9% |
| 2011 | 13.0% | +18.3% |
| 2012 | 15.1% | +16.3% |
| 2013 | 17.3% | +14.7% |
| 2014 | 19.6% | +13.1% |
| 2015 | 21.0% | +7.3% |
| 2016 | 22.5% | +7.0% |
| 2017 | 24.0% | +6.7% |
| 2018 | 25.6% | +6.5% |
| 2019 | 27.2% | +6.2% |
| 2020 | 28.6% | +5.2% |
| 2021 | 29.3% | +2.4% |
| 2022 | 30.0% | +2.4% |
| 2023 | 30.6% | +2.3% |
| 2024 | 31.3% | +2.2% |
Tanzania compared with similar countries
- Tanzania's 31.3% is below the median for lower middle income countries, which is 42.9%, 73% of the median. (31 countries reporting)
- Tanzania's 31.3% is above the median for Sub-Saharan Africa, which is 27.4%, 1.1× the median. (26 countries reporting)
Biggest year-on-year movements
Years where Share using safely managed drinking water in Tanzania changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2004 | +52.0% | 1.4% | 2.1% |
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
- 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 using safely managed drinking water in Tanzania?
- Share using safely managed drinking water 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 share using safely managed drinking water recorded in Tanzania?
- The highest recorded value was 31.3% in 2024.
- What is the lowest share using safely managed drinking water recorded in Tanzania?
- The lowest recorded value was 1.3% in 2000.
- How does Tanzania rank for share using safely managed drinking water?
- Tanzania ranks 138th out of 163 countries with data for 2024.
- Is share using safely managed drinking water 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 Share using safely managed drinking water. 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 fecal and priority chemical contamination.