Share of population not using improved drinking water sources in Samoa
Samoa: Share of population not using improved drinking water sources was 0.6% in 2024. ◆ Volatile
Share of population not using improved drinking water sources in Samoa, 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 population not using improved drinking water sources in Samoa is 0.6%, measured in 2024. That is the lowest value across all 25 years on record.
Compared with earlier readings it is down 23.8% on the previous year and down 80.2% over ten years.
Over the whole period, share of population not using improved drinking water sources in Samoa peaked at 5.3% in 2001 and was at its lowest, 0.6%, in 2024.
Samoa ranks 136th of 231 countries on this measure, 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 | 4.9% | 4.1% | 5.3% | 10 |
| 2010s | 2.7% | 1.6% | 3.8% | 10 |
| 2020s | 0.9% | 0.6% | 1.4% | 5 |
Countries ranked near Samoa
- 133 Sint Maarten (Dutch part) 0.7% compare
- 134 Jordan 0.6% compare
- 135 Barbados 0.6% compare
- 137 Latvia 0.5% compare
- 138 United States Virgin Islands 0.5% compare
- 139 Trinidad and Tobago 0.5% compare
More environment data for Samoa
- Total greenhouse gas emissions excluding LULUCF 0.5216 Mt CO2e (2024)
- Total greenhouse gas emissions excluding LULUCF per capita 2.39 t CO2e/capita (2024)
- Methane (CH4) emissions from Agriculture 0.097 Mt CO2e (2024)
- Methane (CH4) emissions from Building (Energy) 0.0061 Mt CO2e (2024)
- Methane (CH4) emissions from Fugitive Emissions (Energy) 0.0018 Mt CO2e (2024)
- Methane (CH4) emissions from Industrial Combustion (Energy) 0.0001 Mt CO2e (2024)
- Methane (CH4) emissions (total) excluding LULUCF 0.1342 Mt CO2e (2024)
- Methane (CH4) emissions from Power Industry (Energy) 0.0001 Mt CO2e (2024)
- Methane (CH4) emissions from Transport (Energy) 0.0004 Mt CO2e (2024)
- Methane (CH4) emissions from Waste 0.0288 Mt CO2e (2024)
Frequently asked questions
- What is share of population not using improved drinking water sources in Samoa?
- Share of population not using improved drinking water sources in Samoa was 0.6% 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 Samoa?
- The highest recorded value was 5.3% in 2001.
- What is the lowest share of population not using improved drinking water sources recorded in Samoa?
- The lowest recorded value was 0.6% in 2024.
- How does Samoa rank for share of population not using improved drinking water sources?
- Samoa ranks 136th out of 231 countries with data for 2024.
- Is share of population not using improved drinking water sources rising or falling in Samoa?
- Over the last ten years it is down 80.2%. The long-run trend across the full record is volatile.
- Where does this Samoa 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.