Mental Health by the Numbers
Mental health affects millions of people every year. Understanding the numbers can help reduce stigma, increase awareness, and remind us that no one is alone in what they're experiencing.
Latest available U.S. national data • Sources include SAMHSA and CDC
61.5 Million
U.S. adults experienced a mental illness in 2024
23.4% of adults — nearly 1 in 4
Source: SAMHSA, 2024 NSDUH
14.6 Million
U.S. adults experienced a serious mental illness in 2024
5.6% of U.S. adults
Source: SAMHSA, 2024 NSDUH
33.2%
of young adults ages 18–25 experienced a mental illness
Approximately 11.6 million young adults in 2024
Source: SAMHSA, 2024 NSDUH
18.8%
of adolescents ages 12–17 had moderate or severe symptoms of generalized anxiety disorder
2024 U.S. national estimate
Source: SAMHSA, 2024 NSDUH
Young People & Mental Health
15.4%
Of adolescents ages 12–17 experienced a major depressive episode in the past year.
Source: SAMHSA, 2024 NSDUH
10.1%
had serious thoughts of suicide in the past year.
Source: SAMHSA, 2024 NSDUH
2.7%
reported attempting suicide in the past year.
Source: SAMHSA, 2024 NSDUH