People not using improved drinking water sources in Samoa
Samoa: People not using improved drinking water sources was 1,219 people in 2024. ▼ Falling
People 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 people.
Analysis
Samoa recorded 1,219 people for people not using improved drinking water sources in 2024. That is the lowest value across all 25 years on record.
The figure is down 23.4% on the previous year and down 78.4% over ten years.
Over the whole period, people not using improved drinking water sources in Samoa peaked at 9,911 people in 2004 and was at its lowest, 1,219 people, in 2024.
Samoa ranks 151st of 231 countries on this measure, in the middle of the range.
The long-run direction has been consistently falling across the 25 years of available data.
People not using improved drinking water sources in Samoa, year by year
| Year | people | Change |
|---|---|---|
| 2000 | 9,685 people | — |
| 2001 | 9,767 people | +0.8% |
| 2002 | 9,832 people | +0.7% |
| 2003 | 9,875 people | +0.4% |
| 2004 | 9,911 people | +0.4% |
| 2005 | 9,475 people | -4.4% |
| 2006 | 9,037 people | -4.6% |
| 2007 | 8,612 people | -4.7% |
| 2008 | 8,196 people | -4.8% |
| 2009 | 7,778 people | -5.1% |
| 2010 | 7,357 people | -5.4% |
| 2011 | 6,937 people | -5.7% |
| 2012 | 6,513 people | -6.1% |
| 2013 | 6,082 people | -6.6% |
| 2014 | 5,643 people | -7.2% |
| 2015 | 5,197 people | -7.9% |
| 2016 | 4,742 people | -8.7% |
| 2017 | 4,286 people | -9.6% |
| 2018 | 3,826 people | -10.7% |
| 2019 | 3,357 people | -12.3% |
| 2020 | 2,878 people | -14.3% |
| 2021 | 2,385 people | -17.1% |
| 2022 | 1,956 people | -18.0% |
| 2023 | 1,591 people | -18.7% |
| 2024 | 1,219 people | -23.4% |
Samoa compared with similar countries
- Samoa's 1,219 people is below the median for upper middle income countries, which is 61,603 people, 2% of the median. (58 countries reporting)
- Samoa's 1,219 people is below the median for East Asia & Pacific, which is 8,111 people, 15% of the median. (37 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 9,217 people | 7,778 people | 9,911 people | 10 |
| 2010s | 5,394 people | 3,357 people | 7,357 people | 10 |
| 2020s | 2,006 people | 1,219 people | 2,878 people | 5 |
Countries ranked near Samoa
- 148 Martinique 1,359 people compare
- 149 New Caledonia 1,350 people compare
- 150 Bahrain 1,287 people compare
- 152 Montenegro 1,044 people compare
- 153 Maldives 1,029 people compare
- 154 Reunion 1,017 people compare
More environment data for Samoa
- Historical exposure to drought — Land soil moisture anomaly 0.3482 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly 0.3183 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.23 °C (2025)
- Temperature change 0.919 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 2.68 % 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 -2.51 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
Frequently asked questions
- What is people not using improved drinking water sources in Samoa?
- People not using improved drinking water sources in Samoa was 1,219 people 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 people not using improved drinking water sources recorded in Samoa?
- The highest recorded value was 9,911 people in 2004.
- What is the lowest people not using improved drinking water sources recorded in Samoa?
- The lowest recorded value was 1,219 people in 2024.
- How does Samoa rank for people not using improved drinking water sources?
- Samoa ranks 151st out of 231 countries with data for 2024.
- Is people not using improved drinking water sources rising or falling in Samoa?
- Over the last ten years it is down 78.4%. The long-run trend across the full record is falling.
- 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 People 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
Number 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.