As of 2021/2022, the state of California had almost over 6.6 million adults who reported having some mental illness within the preceding 12 months, the highest number of any U.S. state. This statistic represents the number of adults in the U.S. with any mental illness in the past year in 2021 and 2022, by state.
Number of U.S. adults with any mental illness in the past year in 2021 and 2022, by state
(in thousands)
Any mental illness (AMI) is defined as having a diagnosable mental, behavioral, or emotional disorder, other than a developmental or substance use disorder, assessed by the Mental Health Surveillance Study (MHSS) Structured Clinical Interview for the Diagnostic and Statistical Manual of Mental Disorders—Fourth Edition—Research Version—Axis I Disorders (MHSS-SCID), which is based on the 4th edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV). Three categories of mental illness severity are defined based on the level of functional impairment: mild mental illness, moderate mental illness, and serious mental illness. AMI includes individuals in any of the three categories.
According to the methodology guide, in 2022, NSDUH collected data from 71,369 respondents aged 12 or older. Across 2021 and 2022 combined, NSDUH collected data from 141,219 respondents aged 12 or older, from the 50 states and the District of Columbia.
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SAMHSA. (February 15, 2024). Number of U.S. adults with any mental illness in the past year in 2021 and 2022, by state (in thousands) [Graph]. In Statista. Retrieved December 30, 2024, from https://www.statista.com/statistics/723787/mental-illness-in-the-past-year-among-us-adults-by-state/
SAMHSA. "Number of U.S. adults with any mental illness in the past year in 2021 and 2022, by state (in thousands)." Chart. February 15, 2024. Statista. Accessed December 30, 2024. https://www.statista.com/statistics/723787/mental-illness-in-the-past-year-among-us-adults-by-state/
SAMHSA. (2024). Number of U.S. adults with any mental illness in the past year in 2021 and 2022, by state (in thousands). Statista. Statista Inc.. Accessed: December 30, 2024. https://www.statista.com/statistics/723787/mental-illness-in-the-past-year-among-us-adults-by-state/
SAMHSA. "Number of U.S. Adults with Any Mental Illness in The past Year in 2021 and 2022, by State (in Thousands)." Statista, Statista Inc., 15 Feb 2024, https://www.statista.com/statistics/723787/mental-illness-in-the-past-year-among-us-adults-by-state/
SAMHSA, Number of U.S. adults with any mental illness in the past year in 2021 and 2022, by state (in thousands) Statista, https://www.statista.com/statistics/723787/mental-illness-in-the-past-year-among-us-adults-by-state/ (last visited December 30, 2024)
Number of U.S. adults with any mental illness in the past year in 2021 and 2022, by state (in thousands) [Graph], SAMHSA, February 15, 2024. [Online]. Available: https://www.statista.com/statistics/723787/mental-illness-in-the-past-year-among-us-adults-by-state/
