¿Qué países dirigen al mundo en el empleo de la recogida, el tratamiento y el suministro de agua? Explore la clasificación completa en el mapa de abajo.
| 1 | China | 444,000 |
| 2 | Rusia | 225,507 |
| 3 | México | 114,102 |
| 4 | Ucrania | 65,603 |
| 5 | Indonesia | 60,096 |
| 6 | España | 46,086 |
| 7 | Vietnam | 43,504 |
| 8 | Bangladés | 41,000 |
| 9 | Alemania | 37,698 |
| 10 | Australia | 37,100 |
| 11 | Filipinas | 36,681 |
| 12 | Italia | 36,262 |
| 13 | Rumania | 34,883 |
| 14 | Kazajistán | 32,448 |
| 15 | Turquía | 28,605 |
| 16 | Polonia | 27,461 |
| 17 | Uzbekistán | 24,594 |
| 18 | Francia | 23,288 |
| 19 | Serbia | 20,300 |
| 20 | Estados Unidos | 18,169 |
| 21 | Arabia Saudita | 18,058 |
| 22 | Corea del Sur | 17,454 |
| 23 | República Checa | 17,311 |
| 24 | Perú | 16,557 |
| 25 | Hungría | 15,600 |
| 26 | Bulgaria | 15,431 |
| 27 | Portugal | 14,935 |
| 28 | Tanzania | 12,500 |
| 29 | Bielorrusia | 11,982 |
| 30 | República Dominicana | 11,808 |
| 31 | Sri Lanka | 9,795 |
| 32 | Mongolia | 8,098 |
| 33 | Nepal | 8,060 |
| 34 | Ghana | 8,029 |
| 35 | Ecuador | 8,012 |
| 36 | Eslovaquia | 7,972 |
| 37 | Albania | 7,880 |
| 38 | Bosnia y Herzegovina | 7,451 |
| 39 | Bélgica | 7,310 |
| 40 | Georgia | 7,271 |
| 41 | Croacia | 6,992 |
| 42 | Taiwán | 6,431 |
| 43 | Grecia | 6,113 |
| 44 | Países Bajos | 6,010 |
| 45 | Nicaragua | 5,977 |
| 46 | Macedonia del Norte | 5,900 |
| 47 | Kirguistán | 5,861 |
| 48 | Moldavia | 4,834 |
| 49 | Eslovenia | 4,801 |
| 50 | Lituania | 4,391 |
| 51 | Israel | 4,230 |
| 52 | Uruguay | 3,991 |
| 53 | Finlandia | 3,342 |
| 54 | Paraguay | 3,135 |
| 55 | Suecia | 2,696 |
| 56 | Armenia | 2,569 |
| 57 | Irak | 2,526 |
| 58 | Montenegro | 2,340 |
| 59 | Angola | 1,904 |
| 60 | Suiza | 1,895 |
| 61 | Dinamarca | 1,790 |
| 62 | Austria | 1,747 |
| 63 | Nueva Zelanda | 1,700 |
| 64 | Letonia | 1,565 |
| 65 | Jordania | 1,540 |
| 66 | Estonia | 1,123 |
| 67 | Malta | 1,107 |
| 68 | Birmania | 1,017 |
| 69 | Costa Rica | 637 |
| 70 | Irlanda | 552 |
| 71 | Suazilandia | 543 |
| 72 | Togo | 539 |
| 73 | Chipre | 416 |
| 74 | Noruega | 264 |
| 75 | Luxemburgo | 188 |
| 76 | Zimbabue | 19 |
| 77 | Brunéi | 2 |
| 78 | Islandia | 1 |
GK Maps — Where Geography Meets Knowledge.