This is the most recent prediction in Ultrapure Water World Markets published by McIlvaine Company. The large investment in new coal-fired power plants and the accompanying need for boiler feedwater have lifted China to the top position. The U.S. activity in pharmaceuticals is part of the reason it will hold second place. The other is the construction of combined cycle gas turbine power plants.
| Country | 2017 |
| China | 28,168 |
| United States | 26,198 |
| India | 15,227 |
| Taiwan | 12,997 |
| Japan | 12,906 |
| South Korea | 11,151 |
| Germany | 4,726 |
| Brazil | 4,689 |
| United Kingdom | 3,949 |
| Russia | 3,888 |
| France | 3,433 |
| Mexico | 2,477 |
| Italy | 2,207 |
| Indonesia | 2,137 |
| Canada | 1,969 |
| Spain | 1,845 |
| Turkey | 1,739 |
| Other Africa | 1,509 |
| Poland | 1,402 |
| Australia | 1,391 |
| Vietnam | 1,318 |
| South Africa | 1,284 |
| Other Middle East | 1,204 |
| Iran | 1,182 |
| Thailand | 1,162 |