How often do Australians use cannabis?

Among Australians who used cannabis in the past 12 months, approximately a third (36%) used once or twice per year.  Approximately one in eight (13%) cannabis users used every day.

13% of Australians who used cannabis in the past 12 months used every day; 20% used once per week or more; 13% used about once per month; 18% used every few months; and 36% used once or twice per year.

Source: Australian Institute of Health and Welfare (AIHW). 2013 National Drug Strategy Household Survey.