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Welcome to the Center for Behavioral Health Statistics and Quality (CBHSQ)

About CBHSQ

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

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Office of the Director (OD)

Manages the integrated data strategy of the Center.

Office of Evaluation (OE)

Provides planning and management of program evaluation across SAMHSA.

Office of Program Analysis & Coordination (OPAC)

Supports the Center’s implementation of programs and policies.

Office of Population Surveys (OPS)

Manages the National Survey on Drug Use and Health.

Office of Treatment Services (OTS)

Leads national data collection, statistical analysis, and dissemination.

Key Substance Use and Mental Indicators in the United States

Results from the 2021 National Survey on Drug Use and Health

NSDUH 2021 Annual Report link

Visit SAMHSA's 2021 NSDUH Survey

DAWN 2021 Report

Findings from Drug-Related Emergency Department Visits, 2021

DAWN 2021 Annual Report link

Visit SAMHSA's 2021 DAWN Report

N-SUMHSS 2021 Annual Report

Data on Substance Use and Mental Health Treatment Facilities, 2021

N-SUMHSS 2021 cReport link

Visit SAMHSA's 2021 N-SUMHSS Report

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Explore Our Data Collections

Research shows that substance use and mental illnesses are common in the United States, affecting millions of people each year. SAMHSA collects data through multiple sources and surveys and provides access to public-use data files and documentation to support a better understanding of mental illness and substance use disorders in America.

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Ongoing Studies

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Mental Health Data

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Substance Use Data

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N-MHSS

The National Mental Health Services Survey (N-MHSS) collects statistics on the services and characteristics of mental health treatment facilities across the U.S. The annual survey reports national- and state-level data on both public and private specialty mental health treatment facilities. This includes psychiatric hospitals; nonfederal general hospitals with separate psychiatric units; U.S. Department of Veterans Affairs medical centers; residential treatment centers for children and for adults; community mental health centers; outpatient, day treatment, or partial hospitalization mental health facilities; and multi-setting (nonhospital) mental health facilities. This survey is a companion to the National Survey of Substance Abuse Treatment Services (N-SSATS).


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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 an annual survey conducted since 1990. 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 an annual survey conducted since 1990. 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 an annual survey conducted since 1990. 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) is a census designed to collect information from all substance use treatment facilities in the 50 states, Washington, DC, and the U.S. territories. Facilities included are both public and private, and the yearly data collection aims to characterize and quantify the current state of the U.S. substance use treatment delivery system.


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Program Evaluations

Evaluation Reports

Learn how the Center for Behavioral Health Statistics and Quality works across SAMHSA and the U.S. Department of Health & Human Services to plan, implement, and monitor program evaluations.

Evaluation Policies

View how approved and updated evaluation policies and procedures (P&P) guide SAMHSA’s evaluation work.

Ongoing Evaluations

CBHSQ is responsible for ongoing evaluation planning and support management.

Evidence-Based Resources

SAMHSA’s Practices Resource Center contains a collection of scientifically-based resources for a broad range of audiences, including Treatment Improvement Protocols, toolkits, resource guides, clinical practice guidelines, and other science-based resources. Visit the SAMHSA Store to find information about evidence-based practices.

Popular Topics

Alcohol Use Disorder
Any SUD
Drug Use Trends
Major Depression Episode
Marijuana
Opioids
Serious Emotional Disturbance
Serious Mental Illness
Suicide
Tobacco
Treatment

Reports by Populations

Age Group
Gender
People with Substance Use or Mental Health Issues
Populations of Interest
Racial and Ethnic Groups

View Latest Publications

NSDUH 2021 Highlighted Population Slides -
NSDUH 2023 Instrumentation Protocol Changes -
NSDUH 2021 Pair Level Sampling Weight Report -
NSDUH 2021 Person Level Sampling Weight Report -
NSDUH 2022 Sample Design Report -

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