# Welcome to SAMHSA Data

## Data Section:

                    -  About Us 
                    -  Data Analysis System 
                    -  Data We Collect 
                    -  Frequently Asked Questions 
                    -  Program Evaluations 
                    -  Public-use Files 
                    -  Quick Statistics 
                    -  Reports & Data Tables 
                    -  State and Substate Visualizations 

## 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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## 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 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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## 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) 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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## Announcements

Drug Abuse Warning Network (DAWN): Alcohol-related ED Visits Short Report

Drug Abuse Warning Network (DAWN): ED Visits Involving Alcohol Short Report presents the following data from January 2021-September 2023 (1) national estimates and characteristics of alcohol-related ED visits (2) demographics of alcohol-related ED visits (3) percent of ED visits related to alcohol and at least one other substance.

### TEDS 2021 Annual Report

Admissions to and Discharges from Substance Use Treatment Services Reported by Single State Agencies, 2021

Visit SAMHSA's 2021 TEDS Report

### Key Substance Use and Mental Indicators in the United States

Results from the 2022 National Survey on Drug Use and Health

Visit SAMHSA's 2022 NSDUH Survey

### MH-CLD 2021 Annual Report

Data on Clients Receiving Mental Health Treatment Services Through State Mental Health Agencies, 2021

Visit SAMHSA's 2021 MH-CLD Report

## Search Publications

## 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

Drug Abuse Warning Network (DAWN): Alcohol-Related ED Visits Short Report - March 18, 2024

NSDUH 2024 Field Interviewer Manual - February 29, 2024

NSDUH 2024 Methodological Resource Book (MRB) - February 29, 2024

NSDUH 2024 Questionnaire - February 29, 2024

NSDUH 2024 Screening Specifications - February 29, 2024

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## Need Help?

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