Depression

• Approximately 18.8 million American adults, or about 9.5 percent of the US population age 18 and older in a given year, have a depressive disorder
• Nearly twice as many women (12.0 percent) as men (6.6 percent) are affected by a depressive disorder each year. These figures translate to 12.4 million women and 6.4 million men in the US
• Depressive disorders may be appearing earlier in life in people born in recent decades compared to the past
• Depressive disorders often co-occur with anxiety disorders and substance abuse

Major Depressive Disorder

• Major depressive disorder is the leading cause of disability in the US and established market economies worldwide
• Major depressive disorder affects approximately 9.9 million American adults, or about 5.0 percent of the US population age 18 and older in a given year

Dysthymic Disorder

• Symptoms of dysthymic disorder (chronic, mild depression) must persist for at least 2 years in adults (1 year in children) to meet criteria for the diagnosis. Dysthymic disorder affects approximately 5.4 percent of the US population age 18 and older during their lifetime. This figure translates to about 10.9 million American adults
• Dysthymic disorder often begins in childhood, adolescence, or early adulthood

Bipolar Disorder

• Affects approximately 2.3 million American adults, or about 1.2 percent of the U.S. population age 18 and older in a given year
• Men and women are equally likely to develop bipolar disorder
• The average age at onset for a first manic episode is the early twenties

Eating Disorders

The three main types of eating disorders are anorexia nervosa, bulimia nervosa, and binge-eating disorder.

• Females are much more likely than males to develop an eating disorder. Only an estimated 5 to 15 percent of people with anorexia or bulimia and an estimated 35 percent of those with binge-eating disorder are male
• In their lifetime, an estimated 0.5 percent to 3.7 percent of females suffer from anorexia and an estimated 1.1 percent to 4.2 percent suffer from bulimia
• Community surveys have estimated that between 2 percent and 5 percent of Americans experience binge-eating disorder in a 6-month period