59.3 million
U.S. adults lived with a mental illness
That represented 23.1% of adults age 18 and older in 2022.
Source: National Institute of Mental Health, 2022 data →← My Tribe Resources
Reference Guide
U.S. adult mental health statistics, 2022 national data.
Six citable figures on mental illness and mental health treatment among U.S. adults. Last reviewed September 17, 2026.
At a glance
National figures that put the need for support in context.
Each figure below is drawn from the National Institute of Mental Health summary of the 2022 National Survey on Drug Use and Health. Use the permanent link in any statistic heading to cite that specific figure.
36.2%
Of young adults had a mental illness
Adults ages 18 to 25 had the highest observed prevalence among the adult age groups reported in 2022.
Source: National Institute of Mental Health, 2022 data →15.4 million
U.S. adults lived with serious mental illness
That represented 6.0% of adults age 18 and older in 2022.
Source: National Institute of Mental Health, 2022 data →30.0 million
Adults with a mental illness received treatment
Among adults with any mental illness, 50.6% received mental health treatment in the past year in 2022.
Source: National Institute of Mental Health, 2022 data →56.9% vs. 41.6%
Treatment rates differed by sex
Among adults with any mental illness, 56.9% of females and 41.6% of males received treatment in the past year in 2022.
Source: National Institute of Mental Health, 2022 data →10.2 million
Adults with serious mental illness received treatment
Among adults with serious mental illness, 66.7% received mental health treatment in the past year in 2022.
Source: National Institute of Mental Health, 2022 data →Methodology & sources
How to read these numbers.
All figures on this page come from the National Institute of Mental Health's summary of the 2022 National Survey on Drug Use and Health, published with a September 2024 update. The survey estimates describe the civilian, noninstitutionalized U.S. population age 18 and older.
Any mental illness includes a broad range of recognized mental health conditions. Serious mental illness is a smaller subset associated with substantial functional impairment. The source defines treatment as inpatient or outpatient treatment or counseling, or prescription medication used for mental health.
Cite this page
Link to the full reference or a specific statistic.
Suggested citation: My Tribe Counseling and Coaching Services LLC. “U.S. Adult Mental Health Statistics, 2022 National Data.” Updated September 17, 2026. Link to this page or use the permanent link beside any statistic.
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