This report presents results from the 2021 National Substance Use and Mental Health Services Survey (N-SUMHSS), an annual census of facilities providing substance use and mental health treatment. 

Substance Abuse and Mental Health Services Administration. (2022). National Substance Use and Mental Health Services Survey (N-SUMHSS), 2021: Data on Substance Use and Mental Health Treatment Facilities (HHS Publication No. PEP23-07-00-001). Rockville, MD: Center for Behavioral Health Statistics and Quality, Substance Abuse and Mental Health Services Administration. Retrieved from https://www/samhsa.gov/data/.