thumb|upright=1.3|Deaths from mental and behavioral disorders per million persons in 2012 thumb|upright=1.3|Disability-adjusted life year for neuropsychiatric conditions per 100,000 inhabitants in 2004 Mental disorders are common. Worldwide, more than one in three people in most countries report sufficient criteria for at least one at some point in their life. In the United States, 46% qualify for a mental illness at some point. An ongoing survey indicates that anxiety disorders are the most common in all but one country, followed by mood disorders in all but two countries, while substance disorders and impulse-control disorders were consistently less prevalent. Rates varied by region.
thumb|upright=1.3|Deaths from mental and behavioral disorders per million persons in 2012 thumb|upright=1.3|Disability-adjusted life year for neuropsychiatric conditions per 100,000 inhabitants in 2004 Mental disorders are common. Worldwide, more than one in three people in most countries report sufficient criteria for at least one at some point in their life. In the United States, 46% qualify for a mental illness at some point. An ongoing survey indicates that anxiety disorders are the most common in all but one country, followed by mood disorders in all but two countries, while substance disorders and impulse-control disorders were consistently less prevalent. Rates varied by region.