What proportion of cannabis users use other drugs concurrently?

The majority of Australians who used cannabis in the past 12 months used at least one other drug at the same time. Alcohol (87%) was the drug most often used with cannabis, followed by tobacco (63%). A small proportion (3%) of cannabis users did not use another drug concurrently with cannabis.

Among Australians who used cannabis in the past 12 months, 87% concurrently used alcohol, 63% concurrently used tobacco, 23% concurrently used ecstasy, 17% concurrently used cocaine,15% concurrently used hallucinogens, 12% concurrently used methamphetamine, 9% concurrently used pain killers/opiates, 5% concurrently use tranquillisers/sleeping pills, and 10% concurrently used some other drug. A small proportion (3%) of cannabis users did not use another drug concurrently with cannabis.

Source: Australian Institute of Health and Welfare (AIHW). 2019 National Drug Strategy Household Survey.

Please note: Percentages do not tally to 100% as survey respondents could select more than one drug type.