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Data We Collect

The Center for Behavioral Health Statistics and Quality (CBHSQ) is the leading source of behavioral health data in the United States. Behavioral health data collected by CBHSQ includes:

  • The prevalence of mental illness and substance use disorders
  • The use of treatment facilities for behavioral health
  • Emerging substance use trends

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Ongoing Studies

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Mental Health Data

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Substance Use Data

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Data Sets with Both

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N-MHSS

The National Mental Health Services Survey (N-MHSS) collected statistics on the services and characteristics of mental health treatment facilities across the U.S. From 2010 to 2020, the survey reported national- and state-level data on both public and private specialty mental health treatment facilities. In 2021, this survey was combined with its companion, the National Survey of Substance Abuse Treatment Services (N-SSATS), to create the National Substance Use and Mental Health Services Survey (N-SUMHSS).


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MH-CLD

Mental Health Client-Level Data (MH-CLD) and the Mental Health Treatment Episode Data Set (MH-TEDS) provide data from state mental health agencies. This includes information on mental health diagnoses and also treatment outcomes, demographics, and substance use characteristics for individuals in mental health treatment services that report to state administrative data systems.


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NSDUH

The National Survey on Drug Use and Health (NSDUH), formerly the National Household Survey on Drug Abuse, is a survey conducted since 1971. NSDUH measures the use of illegal drugs, prescription drugs, alcohol, and tobacco, and the misuse of prescription drugs. It also measures substance use disorders and mental health care. Estimates are provided at the national, state, and local level and can be used to follow trends in substance use and mental health.


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NSDUH

The National Survey on Drug Use and Health (NSDUH), formerly the National Household Survey on Drug Abuse, is a survey conducted since 1971. NSDUH measures the use of illegal drugs, prescription drugs, alcohol, and tobacco, and the misuse of prescription drugs. It also measures substance use disorders and mental health care. Estimates are provided at the national, state, and local level and can be used to follow trends in substance use and mental health.


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NSDUH

The National Survey on Drug Use and Health (NSDUH), formerly the National Household Survey on Drug Abuse, is a survey conducted since 1971. NSDUH measures the use of illegal drugs, prescription drugs, alcohol, and tobacco, and the misuse of prescription drugs. It also measures substance use disorders and mental health care. Estimates are provided at the national, state, and local level and can be used to follow trends in substance use and mental health.


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NSDUH

The National Survey on Drug Use and Health (NSDUH), formerly the National Household Survey on Drug Abuse, is a survey conducted since 1971. NSDUH measures the use of illegal drugs, prescription drugs, alcohol, and tobacco, and the misuse of prescription drugs. It also measures substance use disorders and mental health care. Estimates are provided at the national, state, and local level and can be used to follow trends in substance use and mental health.


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DAWN

The Drug Abuse Warning Network (DAWN) is a nationally representative public health surveillance system that monitors drug-related visits to hospital emergency departments (ED). DAWN is used to monitor trends in substance use and misuse, emerging new substances and combinations, as well as to estimate the impact of substance use on the nation’s healthcare system. Data for ED visits include demographics, substances involved, toxicology confirmation, route of administration, type of case, and disposition of the patient following their visit.


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TEDS-A

The Treatment Episode Data Set–Admissions (TEDS-A) is a national data system of annual admissions to substance use treatment facilities. Some states report only publicly funded admissions, while other states collect privately funded admissions from facilities that receive public funding. The data include demographics on all available admissions for clients ages 12 and over as well as substance use characteristics such as substances used, age at first use, and route of use.


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TEDS-D

The Treatment Episode Data Set–Discharges (TEDS-D) reports information on annual discharges from substance use treatment facilities. Some states report only publicly funded admissions, while other states collect privately funded admissions from facilities that receive public funding. The data include demographics on all available admissions for clients ages 12 and over as well as substance use characteristics such as substances used, age at first use, and route of use.


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N-SSATS

The National Survey of Substance Abuse Treatment Services (N-SSATS) collected statistics on substance use treatment facilities in the 50 states, Washington, DC, and the U.S. territories. From 1997 to 2020, the survey reported on public and private facilities to quantify the state of the U.S. substance use treatment delivery system. In 2021, this survey was combined with its companion, the National Mental Health Services Survey (N-MHSS), to create the National Substance Use and Mental Health Services Survey (N-SUMHSS).


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URS

State mental health agencies (SMHAs) use the Uniform Reporting Systems (URS) to compile and report annual data as part of SAMHSA’s Community Mental Health Services Block Grant. URS is part of an effort to use data in decision support and planning in public mental health systems and in supporting program accountability.


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N-SUMHSS

The N-SUMHSS provides information about the number and characteristics of public and private substance use and mental health treatment facilities nationwide. The N-SUMHSS replaced the National Survey of Substance Abuse Treatment Services (N-SSATS) and the National Mental Health Services Survey (N-MHSS) in 2021. Questions were combined for substance use and mental health facilities to reduce burden on the facilities, optimize government resources to collect data, and enhance the quality of data collected.


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N-SUMHSS

The N-SUMHSS provides information about the number and characteristics of public and private substance use and mental health treatment facilities nationwide. The N-SUMHSS replaced the National Survey of Substance Abuse Treatment Services (N-SSATS) and the National Mental Health Services Survey (N-MHSS) in 2021. Questions were combined for substance use and mental health facilities to reduce burden on the facilities, optimize government resources to collect data, and enhance the quality of data collected.


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N-SUMHSS

The N-SUMHSS provides information about the number and characteristics of public and private substance use and mental health treatment facilities nationwide. The N-SUMHSS replaced the National Survey of Substance Abuse Treatment Services (N-SSATS) and the National Mental Health Services Survey (N-MHSS) in 2021. Questions were combined for substance use and mental health facilities to reduce burden on the facilities, optimize government resources to collect data, and enhance the quality of data collected.


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Data Collections

NSDUH Restricted Use Data

The Research Data Center (RDC) provides researchers with the opportunity to apply for access to restricted data files that are not available anywhere else. For access to restricted use NSDUH data, please submit an application to www.ResearchDataGov.org(link is external). A proposal review will occur once an application is submitted.

RDC: More Information

Publications with SAMHSA Data

Many peer-reviewed studies have used SAMHSA data. These advance the field of research related to mental health and substance use. This bibliography provides quick access to a list of publications with these studies.

See Publications

Scientific Integrity

We reaffirm our commitment to maintaining the highest level of scientific integrity in producing official statistics. Together, the Principles and Practices, Statistical Policy Directives and Standards, and Information Quality Guidelines form the foundation for achieving and maintaining scientific integrity within and among the principal statistical agencies. Read more about our Scientific Integrity policies.

SAMHSA Data Tools

The Data Analysis System (DAS) is a convenient means of analyzing SAMHSA data. There is also a tool using data from the National Survey on Drug Use and Health (NSDUH) State Area Estimates (SAE) to quickly see data by state and substate areas.

Explore DAS Visualize State and Substate Data