1
Singapore
- Comprehensive Reuse Rate (%)
- 95
- Core Technology or Model
- NEWater system

This ranking, based on 2026 global water resource management data, evaluates the comprehensive efficiency of countries in municipal wastewater treatment, industrial water recycling, and desalination reuse. High-ranking nations represent the pinnacle of circular economy practices in water conservation, reflecting technological innovation and policy execution.
Ranking methodology has not been provided.
References: 0. Page edits do not imply that the underlying data is newer. AI assisted in producing this content; verification status is shown above.
| Rank | Country/Region | Comprehensive Reuse Rate (%) | Core Technology or Model |
|---|---|---|---|
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| 1 |
Singapore |
95 |
| NEWater system |
| 2 | Israel | 91.5 | Agricultural wastewater reclamation |
| 3 | Saudi Arabia | 88 | Desalination and water reuse |
| 4 | Australia | 85.2 | Urban stormwater and greywater recycling |
| 5 | United Arab Emirates | 82.5 | Industrial recirculating cooling water |
| 6 | Netherlands | 80 | Multi-stage membrane filtration |
| 7 | Germany | 78.4 | Strict industrial emission recycling standards |
| 8 | Japan | 76.8 | Advanced domestic wastewater reuse |
| 9 | Spain | 75 | Integrated water supply and reuse |
| 10 | United States | 72.5 | California-led water reuse projects |
| 11 | Switzerland | 70.2 | Natural water body protective circulation |
| 12 | Jordan | 68 | Low-cost wastewater irrigation treatment |
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