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.
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
- 148 Saudi Arabia 0.3% compare
- 149 Cyprus 0.3% compare
More environment data for Cook Islands
- Forest area 15,590 hectares (2025)
- Share of global forest area 0.0% (2025)
- Annual change in forest area 0 hectares (2025)
- Annual change in forest area as a share of forest area 0.0% (2025)
- Annual change in forest area vs. GDP per capita 0.0% (2025)
- Change in domestic forest area vs. deforestation embedded in imported goods 0 hectares (2025)
- Emissions of air pollutants 616.51 tonnes (2022)
- Exposure to air pollution from human sources 1.14 micrograms per cubic meter (2024)
- Exposure to outdoor air pollution 3.3 µg/m³ (2024)
- Using improved water sources: urban vs. rural population 99.5% (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
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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.