Statistics on Mood Disorders

Mood disorders include major depressive disorder, dysthymic disorder, and bipolar disorder.

Approximately 20.9 million American adults, or about 9.5 percent of the U.S. population
age 18 and older in a given year, have a mood disorder.
Archives of General Psychiatry, 2005 Jun;62(6):617-27

The median age of onset for mood disorders is 30 years.
Archives of General Psychiatry, 2005 Jun;62(6):593-602

Depressive disorders often co-occur with anxiety disorders and substance abuse.
Archives of General Psychiatry, 2005 Jun;62(6):593-602

Statistics on Depression          Statistics on Bipolar Disorder