What proportion of Australians have used cocaine?

Eleven percent of Australians have used cocaine in their lifetime, 4% have used in the past 12 months, 2% have used in the past month, and 0.5% have used in the past week.

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

Please note: No statistical significance testing has been conducted on these data. As a result, no inferences can be made about whether the reported proportions are significantly different from one another.