Share of the population using improved water sources in Sao Tome and Principe
Sao Tome and Principe: Share of the population using improved water sources was 98.4% in 2024. ▲ Rising
Share of the population using improved water sources in Sao Tome and Principe, 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 share of the population using improved water sources in Sao Tome and Principe is 98.4%, measured in 2024. That is the highest value across all 25 years on record.
Compared with earlier readings it is up 0.2% on the previous year and up 6.4% over ten years.
Over the whole period, share of the population using improved water sources in Sao Tome and Principe peaked at 98.4% in 2024 and was at its lowest, 81.4%, in 2000.
That places Sao Tome and Principe 123rd out of 231 countries with data for 2024, putting it in the middle of the range.
The long-run direction has been consistently rising across the 25 years of available data.
Share of the population using improved water sources in Sao Tome and Principe, year by year
| Year | % | Change |
|---|---|---|
| 2000 | 81.4% | — |
| 2001 | 82.2% | +1.0% |
| 2002 | 83.1% | +1.0% |
| 2003 | 83.9% | +1.0% |
| 2004 | 84.7% | +1.0% |
| 2005 | 85.6% | +1.0% |
| 2006 | 86.4% | +1.0% |
| 2007 | 87.2% | +0.9% |
| 2008 | 88.0% | +0.9% |
| 2009 | 88.8% | +0.9% |
| 2010 | 89.6% | +0.9% |
| 2011 | 90.3% | +0.9% |
| 2012 | 91.1% | +0.8% |
| 2013 | 91.8% | +0.8% |
| 2014 | 92.6% | +0.8% |
| 2015 | 93.3% | +0.8% |
| 2016 | 94.0% | +0.8% |
| 2017 | 94.7% | +0.7% |
| 2018 | 95.4% | +0.7% |
| 2019 | 96.0% | +0.7% |
| 2020 | 96.7% | +0.7% |
| 2021 | 97.4% | +0.7% |
| 2022 | 97.9% | +0.6% |
| 2023 | 98.2% | +0.3% |
| 2024 | 98.4% | +0.2% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 85.1% | 81.4% | 88.8% | 10 |
| 2010s | 92.9% | 89.6% | 96.0% | 10 |
| 2020s | 97.7% | 96.7% | 98.4% | 5 |
Countries ranked near Sao Tome and Principe
More environment data for Sao Tome and Principe
- Historical exposure to drought — Land soil moisture anomaly -16.99 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -12.85 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.214 °C (2025)
- Temperature change 1.16 °C (2025)
- Paper and paperboard — Import quantity, annual growth rate 54.55 % change on previous year (2024)
- Paper and paperboard — Import quantity, per unit of GDP 0 t per US$ of GDP (2024)
- Paper and paperboard — Import quantity, per capita 0.0011 t per person (2024)
- Paper and paperboard — Import value, annual growth rate 79.68 % change on previous year (2024)
- Paper and paperboard — Import value, per unit of GDP 0 1000 USD per US$ of GDP (2024)
Frequently asked questions
- What is share of the population using improved water sources in Sao Tome and Principe?
- Share of the population using improved water sources in Sao Tome and Principe was 98.4% 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 the population using improved water sources recorded in Sao Tome and Principe?
- The highest recorded value was 98.4% in 2024.
- What is the lowest share of the population using improved water sources recorded in Sao Tome and Principe?
- The lowest recorded value was 81.4% in 2000.
- How does Sao Tome and Principe rank for share of the population using improved water sources?
- Sao Tome and Principe ranks 123rd out of 231 countries with data for 2024.
- Is share of the population using improved water sources rising or falling in Sao Tome and Principe?
- Over the last ten years it is up 6.4%. The long-run trend across the full record is rising.
- Where does this Sao Tome and Principe 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 the population using improved water sources. 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 who use an improved drinking water source, regardless of collection time. An improved drinking water source is a safely designed drinking water source and includes e.g. piped water, boreholes or tubewells and packaged or delivered water.