One in 10 people over age 12 in the United States is taking an antidepressant, according to the National Health and Nutrition Examination Survey, which is conducted by the Center for Disease Control.  Women between the ages of 40 and 59 are the most likely group to take antidepressants. In this age range, 23 percent of U.S. women are taking one.

via Antidepressant use soaring among Americans 12 and over – MayoClinic.com.