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SAMHSA Data

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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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Data Sets with Both

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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 household survey conducted since 1971. NSDUH measures the use of illegal drugs, prescription drugs, alcohol, tobacco, and 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 household survey conducted since 1971. NSDUH measures the use of illegal drugs, prescription drugs, alcohol, tobacco, and 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 household survey conducted since 1971. NSDUH measures the use of illegal drugs, prescription drugs, alcohol, tobacco, and 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 household survey conducted since 1971. NSDUH measures the use of illegal drugs, prescription drugs, alcohol, tobacco, and 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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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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DAWN 2023 Report

National Estimates from Drug Related Emergency Department Visits, 2023

Report icon Visit SAMHSA's 2023 DAWN Report

TEDS 2022 Annual Report

Admissions to and Discharges from Substance Use Treatment Services Reported by Single State Agencies, 2022

Report icon Visit SAMHSA's 2022 TEDS Report

N-SUMHSS 2023 Annual Report

Data on Substance Use and Mental Health Treatment Facilities, 2023

Report icon Visit SAMHSA's 2023 N-SUMHSS Report

Search Reports and Data Tables

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

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People with Substance Use or Mental Health Issues

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