05/12/2025
Prevalence of Mental Illness
Overall Adults: About 1 in 4 (or 25%) U.S. adults experience mental illness annually.
Depression: A historic high, with over 18% of adults reporting current depression or treatment in 2024/2025, a significant jump since 2015, notes Gallup News.
Anxiety Disorders: Affecting around 19.1% of the population, with anxiety being a leading diagnosis.
Youth & Young Adults
Gen Z: Nearly half (46%) have been diagnosed with a mental health condition (anxiety, depression, ADHD), and 42% are in therapy, a 22% rise since 2022, reports Grow Therapy.
College Students: A hopeful sign shows declines in severe depression (down to 18%) and suicidal thoughts (to 11%) in the 2024-2025 Healthy Minds Study, reports U of M Public Health.
Mental Health Crisis: Young adults (18-29) have the highest crisis prevalence (15.1%), per Johns Hopkins.