Russia has the highest Sewerage (2024) of any country, at 150,552 employees. It is followed by Germany (46,806) and Poland (40,624).
| 1 | Russia | 150,552 |
| 2 | Germany | 46,806 |
| 3 | Poland | 40,624 |
| 4 | United States of America | 37,131 |
| 5 | South Korea | 16,195 |
| 6 | Ukraine | 12,750 |
| 7 | Vietnam | 11,172 |
| 8 | France | 9,867 |
| 9 | Italy | 9,713 |
| 10 | Belarus | 9,216 |
| 11 | Saudi Arabia | 9,017 |
| 12 | Spain | 6,125 |
| 13 | Bangladesh | 6,000 |
| 14 | Hungary | 5,316 |
| 15 | Albania | 4,476 |
| 16 | Sweden | 4,172 |
| 17 | Switzerland | 4,161 |
| 18 | Austria | 3,675 |
| 19 | Turkey | 3,091 |
| 20 | Belgium | 2,642 |
| 21 | Portugal | 2,561 |
| 22 | Netherlands | 2,318 |
| 23 | Taiwan | 2,289 |
| 24 | Thailand | 2,177 |
| 25 | Denmark | 1,752 |
| 26 | Romania | 1,750 |
| 27 | Philippines | 1,662 |
| 28 | Ireland | 1,591 |
| 29 | Finland | 1,504 |
| 30 | Latvia | 1,312 |
| 31 | Norway | 1,294 |
| 32 | Czechia | 1,213 |
| 33 | Israel | 1,171 |
| 34 | Kazakhstan | 1,071 |
| 35 | Moldova | 868 |
| 36 | Qatar | 761 |
| 37 | Greece | 674 |
| 38 | Ecuador | 584 |
| 39 | Lithuania | 576 |
| 40 | Slovenia | 564 |
| 41 | Slovakia | 489 |
| 42 | Cyprus | 465 |
| 43 | Armenia | 409 |
| 44 | Croatia | 328 |
| 45 | Bulgaria | 321 |
| 46 | Fiji | 276 |
| 47 | North Macedonia | 243 |
| 48 | Mongolia | 229 |
| 49 | Costa Rica | 193 |
| 50 | Georgia | 179 |
| 51 | Bosnia and Herz. | 147 |
| 52 | Peru | 145 |
| 53 | Estonia | 135 |
| 54 | Brunei | 102 |
| 55 | Togo | 90 |
| 56 | Nepal | 71 |
| 57 | Ghana | 70 |
| 58 | New Zealand | 65 |
| 59 | Uruguay | 61 |
| 60 | Montenegro | 53 |
| 61 | Paraguay | 49 |
| 62 | Dominican Rep. | 41 |
| 63 | Kyrgyzstan | 26 |
| 64 | Uzbekistan | 25 |
| 65 | Iceland | 17 |
| 66 | Myanmar | 11 |
| 67 | Zimbabwe | 5 |
| 68 | Malta | 4 |
| 69 | China | 0 |
| 70 | Mexico | 0 |
GK Maps — Where Geography Meets Knowledge.