What proportion of Australian school students aged 12-17 years have used cannabis?
The majority (83%) of Australian school students aged 12-17 years have never used cannabis. Fifteen percent have used cannabis in the past year; 8% in the past month; and 5% in the past week.
Source: Cancer Council Victoria. (2018). ASSAD 2017 Statistics & Trends: Australian secondary school students' use of tobacco, alcohol, over-the-counter drugs, and illicit substances.