The objective of the Epidemiological Survey of Mental Health in the City of Cerro de Pasco is to identify the main mental health problems (depression, anxiety disorders, addictions and other mental health issues) in that area, the social conditions of people who suffer from them, and access to health services. The survey covers the city of Cerro de Pasco, in the department of Pasco. The survey interviewed adolescents from 12 to 17 years old; married or cohabiting women; adults 18 years of age or older; senior adults aged 60 or more. There were 553 adolescents, 1364 married women, 1469 adults and 272 older adults interviewed.