| 15-19 ans | 20-24 ans | 25-29 ans |
|  |  | Total | | | Total | | | Total |
| % | % | % | % | % | % | % | % | % |
| Uniquement alcool | 35.3 | 32.5 | 33.9 | 51.7 | 33.0 | 41.2 | 43.5 | 48.8 | 45.6 |
| Aucune substance psychoactive | 31.7 | 41.3 | 36.4 | 9.2 | 36.6 | 24.6 | 16.1 | 22.0 | 18.4 |
| Alcool + Cigarette/narguilé | 16.2 | 15.0 | 15.6 | 18.4 | 25.0 | 22.1 | 22.6 | 24.4 | 23.3 |
| Uniquement cigarette/narguillé | 7.8 | 7.5 | 7.6 | 4.6 | 4.5 | 4.5 | 6.5 | 4.9 | 5.8 |
| Alcool + Cigarette/narguillé + Cannabis | 4.2 | 1.9 | 3.1 | 9.2 | 0.0 | 4.0 | 6.5 | 0.0 | 3.9 |
| Alcool + Cannabis | 1.8 | 0.6 | 1.2 | 3.4 | 0.0 | 1.5 | 3.2 | 0.0 | 1.9 |
| Autre multi-consommation | 2.4 | 1.3 | 1.8 | 3.4 | 0.9 | 2.0 | 0.0 | 0.0 | 0.0 |
| Uniquement une autre substance | 0.6 | 0.0 | 0.3 | 0.0 | 0.0 | 0.0 | 1.6 | 0.0 | 1.0 |