Share of population not using improved drinking water sources in Cook Islands
Cook Islands: Share of population not using improved drinking water sources was 0.4% in 2024. ◆ Volatile
Share of population not using improved drinking water sources in Cook Islands, 2000–2024
Source: WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data. Measured in %.
Analysis
In 2024, share of population not using improved drinking water sources in Cook Islands stood at 0.4%. That is the highest value across all 25 years on record.
That represents a change of up 0.2% on the previous year and up 315.5% over ten years.
Over the whole period, share of population not using improved drinking water sources in Cook Islands peaked at 0.4% in 2024 and was at its lowest, 0.0%, in 2000.
That places Cook Islands 146th 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.
Share of population not using improved drinking water sources in Cook Islands, year by year
| Year | % | Change |
|---|---|---|
| 2000 | 0.0% | — |
| 2001 | 0.0% | — |
| 2002 | 0.0% | — |
| 2003 | 0.0% | — |
| 2004 | 0.0% | — |
| 2005 | 0.0% | — |
| 2006 | 0.0% | — |
| 2007 | 0.0% | — |
| 2008 | 0.0% | +342.5% |
| 2009 | 0.0% | +75.9% |
| 2010 | 0.0% | +42.4% |
| 2011 | 0.0% | +29.1% |
| 2012 | 0.0% | +139.1% |
| 2013 | 0.1% | +108.3% |
| 2014 | 0.1% | +52.2% |
| 2015 | 0.1% | +34.4% |
| 2016 | 0.2% | +25.7% |
| 2017 | 0.2% | +20.5% |
| 2018 | 0.2% | +17.1% |
| 2019 | 0.3% | +14.7% |
| 2020 | 0.3% | +12.8% |
| 2021 | 0.3% | +11.4% |
| 2022 | 0.4% | +10.3% |
| 2023 | 0.4% | +9.4% |
| 2024 | 0.4% | +0.2% |
Biggest year-on-year movements
Years where Share of population not using improved drinking water sources in Cook Islands 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 |
|---|---|---|---|
| 2008 | +342.5% | 0.0% | 0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 0.0% | 0.0% | 0.0% | 10 |
| 2010s | 0.1% | 0.0% | 0.3% | 10 |
| 2020s | 0.4% | 0.3% | 0.4% | 5 |
Countries ranked near Cook Islands
- 143 New Caledonia 0.5% compare
- 144 Mexico 0.5% compare
- 145 Slovenia 0.4% compare
- 147 Martinique 0.4% compare
- 148 Saudi Arabia 0.3% compare
- 149 Cyprus 0.3% compare
More environment data for Cook Islands
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.214 °C (2025)
- Temperature change 0.886 °C (2025)
- Value Added (Agriculture, Forestry and Fishing) — Value US$, 2015 6.54 million USD (2024)
- Value Added (Agriculture, Forestry and Fishing) — Annual growth US$ -8.44 % (2024)
- Value Added (Agriculture, Forestry and Fishing) — Annual growth US$ 2.32 % (2024)
- Value Added (Agriculture, Forestry and Fishing) — Annual growth -8.44 % (2024)
- Value Added (Agriculture, Forestry and Fishing) — Annual growth 3.91 % (2024)
- Value Added (Agriculture, Forestry and Fishing) — Share of GDP 1.78 % (2024)
- Value Added (Agriculture, Forestry and Fishing) — Share of GDP US$ 1.78 % (2024)
Frequently asked questions
- What is share of population not using improved drinking water sources in Cook Islands?
- Share of population not using improved drinking water sources in Cook Islands was 0.4% 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 population not using improved drinking water sources recorded in Cook Islands?
- The highest recorded value was 0.4% in 2024.
- What is the lowest share of population not using improved drinking water sources recorded in Cook Islands?
- The lowest recorded value was 0.0% in 2000.
- How does Cook Islands rank for share of population not using improved drinking water sources?
- Cook Islands ranks 146th out of 231 countries with data for 2024.
- Is share of population not using improved drinking water sources rising or falling in Cook Islands?
- Over the last ten years it is up 315.5%. The long-run trend across the full record is volatile.
- Where does this Cook Islands 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.