This is a 2011 Treatment Episode Data Set (TEDS) annual report showing discharges for people aged 12 and older from substance abuse treatment. The report provides information on treatment completion, length of stay in treatment, and demographic and substance abuse characteristics of discharges from alcohol or drug treatment in facilities that reported to individual state administra-tive data systems. The report represents forty-nine states and jurisdictions for discharges aged 12 and older occurring in 2011. Mississippi, Pennsylvania, and West Virginia submitted no data or incomplete data for 2011 and are excluded from this report.