In 2019–20, 1,258 publicly funded alcohol and other drug (AOD) treatment agencies provided just over 237,500 treatment episodes to an estimated 139,000 clients. The four most common drugs that led clients to seek treatment for their own drug use were alcohol (34% of all treatment episodes), amphetamines (28%), cannabis (18%) and heroin (5.1%). Almost two-thirds (64%) of all clients receiving treatment were male, and the median age of clients was 35 years.