Share of population not using improved drinking water sources in Sao Tome and Principe
Sao Tome and Principe: Share of population not using improved drinking water sources was 1.6% in 2024. ◆ Volatile
Share of population not using improved drinking 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
Sao Tome and Principe recorded 1.6% for share of population not using improved drinking water sources in 2024. That is the lowest value across all 25 years on record.
That represents a change of down 13.4% on the previous year and down 79.0% over ten years.
Over the whole period, share of population not using improved drinking water sources in Sao Tome and Principe peaked at 18.6% in 2000 and was at its lowest, 1.6%, in 2024.
That places Sao Tome and Principe 109th out of 231 countries with data for 2024, putting it in the middle of the range.
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 | 14.9% | 11.2% | 18.6% | 10 |
| 2010s | 7.1% | 4.0% | 10.4% | 10 |
| 2020s | 2.3% | 1.6% | 3.3% | 5 |
Countries ranked near Sao Tome and Principe
More environment data for Sao Tome and Principe
- Total greenhouse gas emissions excluding LULUCF 0.2455 Mt CO2e (2024)
- Total greenhouse gas emissions excluding LULUCF per capita 1.04 t CO2e/capita (2024)
- Methane (CH4) emissions from Agriculture 0.0082 Mt CO2e (2024)
- Methane (CH4) emissions from Building (Energy) 0.0137 Mt CO2e (2024)
- Methane (CH4) emissions from Fugitive Emissions (Energy) 0.0292 Mt CO2e (2024)
- Methane (CH4) emissions from Industrial Combustion (Energy) 0 Mt CO2e (2024)
- Methane (CH4) emissions (total) excluding LULUCF 0.0789 Mt CO2e (2024)
- Methane (CH4) emissions from Power Industry (Energy) 0 Mt CO2e (2024)
- Methane (CH4) emissions from Transport (Energy) 0.0006 Mt CO2e (2024)
- Methane (CH4) emissions from Waste 0.0273 Mt CO2e (2024)
Frequently asked questions
- What is share of population not using improved drinking water sources in Sao Tome and Principe?
- Share of population not using improved drinking water sources in Sao Tome and Principe was 1.6% 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 not using improved drinking water sources recorded in Sao Tome and Principe?
- The highest recorded value was 18.6% in 2000.
- What is the lowest share of population not using improved drinking water sources recorded in Sao Tome and Principe?
- The lowest recorded value was 1.6% in 2024.
- How does Sao Tome and Principe rank for share of population not using improved drinking water sources?
- Sao Tome and Principe ranks 109th out of 231 countries with data for 2024.
- Is share of population not using improved drinking water sources rising or falling in Sao Tome and Principe?
- Over the last ten years it is down 79.0%. The long-run trend across the full record is volatile.
- 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 population not using improved drinking 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 not using improved drinking water sources. These people might use surface water sources or unprotected springs or wells, as no safe and reliable improved drinking water source is available to them.