"For the 2015 reporting period, states reported a total of 720,987 individuals served aged 12 and older (14 percent of all individuals served) had co-occurring mental health and substance use disorders.

"During this period, the data show that mental health diagnoses differed somewhat across categories for several variables, including gender, age group, race, ethnicity, living arrangements, employment and detailed “not in labor force,” service setting, and timing of admission. Mental health diagnoses were largely similar across SMI/SED status and level of functioning.

"Gender
"• Tables 6.1a-c. During the 2015 reporting period, for males served who had co-occurring mental health and substance use disorders, the most frequently reported diagnoses were schizophrenia and other psychotic disorders and depressive disorders (25 percent each).

"• For their female counterparts, the most frequently reported diagnoses were depressive disorders (33 percent) and bipolar disorders (29 percent).

"Age
"• Tables 6.1a-c. The most frequently reported diagnoses for individuals served aged 30 to 44 who had co-occurring mental health and substance use disorders were bipolar disorders (from 28 percent to 29 percent).

"• The most frequently reported diagnoses for individuals served aged 45 and older with co-occurring substance use and mental health disorders were depressive disorders (from 31 percent of those aged 45 to 49 to 35 percent of those aged 55 to 64)."

Source

Substance Abuse and Mental Health Services Administration, Center for Behavioral Health Statistics and Quality. Mental Health Annual Report: 2015. Use of Mental Health Services: National Client Level Data. BHSIS Series S-92, HHS Publication No. (SMA) 17-5038. Rockville, MD: Substance Abuse and Mental Health Services Administration, 2017.
https://www.samhsa.gov/data/r…
https://www.samhsa.gov/data/s…