26 Sept 2025
Australian Drug Trends 2025:
Key findings from the national Illicit Drug Reporting System (IDRS) interviews
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°Õ³ó±ðÌýIllicit Drug Reporting System (IDRS) is a national illicit drug monitoring system that has been conducted annually since 2000 and is part of Drug Trends.
The IDRS interviews people who inject drugs from every capital city of Australia and provides an analysis and examination of indicator data sources related to illicit drugs. It is designed to be sensitive to trends, providing data in a timely manner, rather than describing issues in detail.
The 2025 IDRS report provides the most up-to-date findings of the IDRS interviews from 2000 to 2025 with people who regularly inject illicit drugs from all capital cities of Australia. This includes:
- A report, overviewing the key findings in 2025;
- An infographic, summarising key findings in 2025;
- A methods document, highlighting approaches to collating and presenting estimates; and
- The executive summary, summarising key findings in 2025.
Results are not representative of all people who use drugs or of drug use in the general population and should be interpreted alongside findings from other data sources for a more complete profile of emerging trends in illicit drug use in Australia.
Key findings
Recommended citation
Sutherland R, Uporova J, Karlsson A, Palmer L, Tayeb H, Chrzanowska A, Chandrasena U, Price O, Bruno R, Dietze P, Lenton S, Salom C, Radke S, Curran J, Vella-Horne D, Wilson J, Daly C, Thomas N, Degenhardt L, Farrell M, & Peacock A. Australian Drug Trends 2025: Key Findings from the National Illicit Drug Reporting System (IDRS) Interviews. Sydney: National Drug and Alcohol Research Centre, ºÚÁÏÍø´óÊÂ¼Ç Sydney; 2025. Available from:
Participants
We would like to thank all the participants who shared their knowledge and experience with us in the present and in previous years
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Drug Trends is supported by funding from the Australian Government Department of Health, Disability and Ageing under the Drug and Alcohol Program.
Copyright
Please note that any presentation of these data should include an acknowledgement of Drug Trends at the National Drug and Alcohol Research Centre, University of New South Wales.
©NDARC, ºÚÁÏÍø´óÊÂ¼Ç SYDNEY 2025
This work is copyright. You may download, display, print and reproduce this material in unaltered form only (retaining this notice) for your personal, non-commercial use or use within your organisation. All other rights are reserved. Requests and enquiries concerning reproduction and rights should be addressed to the information manager, NDARC, ºÚÁÏÍø´óÊÂ¼Ç Sydney, NSW 2052, Australia via drugtrends@unsw.edu.au. 
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The Illicit Drug Reporting System (IDRS) national reports
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