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Data Collections

SAMHSA's data collections provide essential information on substance use and mental health trends, informing public health policies and improving treatment services. These efforts support research and policy-making to address substance use and mental health issues effectively.

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 Decommission Notice

The DAWN survey has been decommissioned and will be archived on MM/YYYY.  After that date, the DAWN data will no longer be publicly available through SAMHSA Data. Please reach out to email@domain.gov for any questions, comments, or concerns.

COMBINED MENTAL HEALTH & SUBSTANCE USE COLLECTIONS

NSDUH
National Survey on Drugs Use and Health
A man and a woman sitting at a table

The leading source of statistical data on alcohol, tobacco, drug use, mental health, and health-
related issues. 
N-SUMHSS
National Substance Use and Mental Health Services Survey
People sitting in a circle talking.

Data on the substance and mental health services provided by publicly and privately operated mental health treatment facilities.

NOTE: National Survey of Substance Abuse Treatment Services (N-SSATS) and National Mental Health Services Survey 
(N-MHSS) data before 2021 can be accessed in N-SUMHSS.

MENTAL HEALTH COLLECTIONS

MH-CLD
Mental Health Client-Level Data
A man presenting to several people about mental health

Demographic data on the people receiving mental health services and treatment outcomes. 
URS
Uniform Reporting System
Two men talking in front of a computer

State-level reporting data from mental
health agencies. 

NOTE: National Mental Health Services Survey (N-MHSS) data before 2021 can be accessed in N-SUMHSS.

SUBSTANCE USE COLLECTIONS

DAWN
Drug Abuse Warning Network
People in health care having a meeting

A public health surveillance system that collects data on substance use ER visits.
TEDS
Treatment Episode Data Set
A doctor and a patient

A national data system that tracks visits to substance-use treatment facilities. 

NOTE(S): 

  • DAWN has been decommisioned and will be archived on MM/YYYY.
  • National Survey of Substance Abuse Treatment Services (N-SSATS) data before 2021 can be accessed in N-SUMHSS.
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Use SAMHSA
Data Tools

Data Analysis System (DAS)

Explore and analyze data from MH-CLD, NSDUH, TEDS, and N-SUMHSS collections, examining study variables and running crosstab analyses.
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Interactive NSDUH Small Area Estimates (SAE)

Visualize and compare mental health and substance use issues across states or regions, track changes over time, and explore related variables.
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Quick Statistics

Get access to mental health and substance use data to quickly compare statistics, track trends, and explore issues across various populations.
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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 policies