This is a Treatment Episode Data set (TEDS) Annual Report showing admissions in 2012, and trend data for 2002 to 2012. The report provides information on the demographic and substance abuse characteristics of admissions to treatment aged 12 and older for abuse of alcohol and/or drugs in facilities that report to individual state administrative data systems. This report represents 47 states, the District of Columbia, and Puerto Rico (Mississippi, Pennsylvannia, and West Virginia did not report admissions for 2012).