The Swiss Federal Statistical Office has reported that cannabis use among people aged 15 to 24 rose from 6 to 9% in the ten years between 2007 and 2017. The report estimates that twice as many young men smoke cannabis (12%) as young women (6%) and that 30% of young men were drunk at least once per month compared with 24% of young women.

Source: https://www.swissinfo.ch/eng/health-statistics_cancer-cases-and-cannabis-use-on-the-rise-in-switzerland/45332184

Report: https://www.admin.ch/gov/en/start/documentation/media-releases.msg-id-76815.html