U.S. Individual Mental and Behavioral Disorders
- What are YLDs?
- The World Health Organization (WHO) estimates that in the U.S., 27.1 percent of YLDs are caused by disorders in the mental and behavioral disorders category.
- The WHO data below show the breakdown of disorders within that category, and the percentage that each individual disorder contributes to YLDs caused by the mental and behavioral disorders category.
- Major depressive disorder accounts for 30.66 percent of YLDs in the mental and behavioral disorders category.

