This data briefing summarises the main findings from the 2004-05 Alcohol and Other Drug Treatment Services (AODTS) NMDS data for the NT. Throughout this briefing, data from the NT are presented along with 2004-05 national AODTS-NMDS data. Highlights include: 18 government-funded alcohol and other drug treatment agencies provided 2,426 'closed treatment episodes'; one-third (33%) of closed treatment episodes were for clients aged 30-39 years and one-quarter (25%) were for clients aged 40-49 years; and male clients accounted for two-thirds (66%) of all closed treatment episodes.