What proportion of Australians have used pharmaceutical drugs in their lifetime?

Most Australians (67%) have used pharmaceutical drugs in their lifetime.

Source: Australian Institute of Health and Welfare (AIHW). 2022-23 National Drug Strategy Household Survey (NCETA secondary analysis, 2024).

†This FAQ uses data from the National Drug Strategy Household Survey, which defines the pharmaceutical drugs referred to in this question as: the medical or non-medical use of pain-killers/pain-relievers/opioids (Oxycodone, Morphine, Codeine products such as Panadeine Forte (excluding paracetamol, asprin and ibuprofen where these drugs are the only active ingredients)); tranquillisers/sleeping pills (e.g., Benzodiazepines, Sleepers, Diazapam, Tranks, Temazepam, Mogadon, Rivotril, Serapax, Xanax, Stilnox, Rohypnol, Hypnodorm, Valium, Alprax, Alprazolam) and methadone/buprenorphine (e.g., Done, Junk,  Bupe, Sub). 

Non-medical use:  

  • Using a drug for recreational purposes to induce or enhance a drug experience 

  • Using a pharmaceutical drug in a way that it was not prescribed / recommended (e.g. using it to enhance the effects of an illicit drug, taking it more frequently or at higher doses to induce a feeling, for performance enhancement including athletic and academic performance, or for weight loss). ​​