Nationally, there were 24,002 clients who had been diverted into alcohol and other drug treatment, comprising 25% of all clients. Diversion clients were younger and more likely to be male than non-diversion clients, and less likely to be Indigenous. Diversion treatment episodes were about twice as likely to involve cannabis as the principal drug of concern compared with episodes for non-diversion clients. Police diversion episodes had less intensive treatment types compared with court diversion episodes.