| Country | Continent | Climate | Main use |
|---|---|---|---|
| Iraq | Asia | Arid | Irrigation |
| United States | North America | Temperate | Industry |
| Pakistan | Asia | Arid | Irrigation |
| Canada | North America | Temperate | Industry |
| Madagascar | Africa | Tropical | Irrigation |
| North Korea | Asia | Temperate | Not reported |
| Chile | South America | Arid | Irrigation |
| Bulgaria | Europe | Temperate | Not reported |
| Afghanistan | Asia | Arid | Irrigation |
| Iran | Asia | Arid | Irrigation |