| Total | Separate or shared bathroom | | 72.8 | 72.6 | 73.9 | 74.8 | 76.2 | 77.9 | 79.3 | 82.0 |
| No bath or shower available | | 27.2 | 27.4 | 26.1 | 25.2 | 23.8 | 22.1 | 20.7 | 18.0 |
| Below upper secondary education | Separate or shared bathroom | | 53.8 | 51.1 | 51.3 | 51.3 | 56.0 | 58.2 | 60.8 | 64.3 |
| No bath or shower available | | 46.2 | 48.9 | 48.7 | 48.7 | 44.0 | 41.8 | 39.2 | 35.7 |
| Upper secondary education | Separate or shared bathroom | | 73.9 | 74.4 | 76.0 | 77.5 | 76.7 | 77.8 | 79.5 | 82.3 |
| No bath or shower available | | 26.1 | 25.6 | 24.0 | 22.5 | 23.3 | 22.2 | 20.5 | 17.7 |
| Tertiary education | Separate or shared bathroom | | 87.6 | 87.9 | 88.1 | 87.6 | 89.6 | 90.3 | 90.2 | 91.7 |
| No bath or shower available | | 12.4 | 12.1 | 11.9 | 12.4 | 10.4 | 9.7 | 9.8 | 8.3 |