This report presents national-level data from the Treatment Episode Data Set (TEDS) for admissions in 2014 and trend data from 2004 to 2014. It is a companion to the report Treatment Episode Data Set (TEDS): 2004-2014 State Admissions to Substance Abuse Treatment. These reports provide information on the demographic and substance abuse characteristics of admissions aged 12 and older to treatment for abuse of alcohol and/or drugs in facilities that report to individual state administrative data systems.