Are younger or older Australians more likely to have used cannabis?

Australians aged 30-39 years are more likely than other age groups to have used cannabis in their lifetime. Those aged 18-24 years are more likely than other age groups to have used cannabis in the past 12 months, past month, and past week.

14% of Australians aged 14-17 years have used cannabis in their lifetime; 12% have used in the past 12 months; 6% have used in the past month; and 4% have used in the past week. 38% of Australians aged 18-24 years have used cannabis in their lifetime; 23% have used in the past 12 months; 12% have used in the past month; and 7% have used in the past week. 48% of Australians aged 25-29 years have used cannabis in their lifetime; 18% have used in the past 12 months; 8% have used in the past month; and 5% have used in the past week. 52% of Australians aged 30-39 years have used cannabis in their lifetime; 12% have used in the past 12 months; 6% have used in the past month; and 4% have used in the past week.

Source: Australian Institute of Health and Welfare (AIHW). 2013 National Drug Strategy Household Survey (NCETA secondary analysis, 2015).