Objective: Identify in the adult population of Metropolitan Lima the prevalence, access and factors associated with the main mental disorders (MD) during the COVID-19 pandemic. Methodology: Cross-sectional, correlational study in a probabilistic, two-stage sample of 1823 adults (≥18 years old), interviewed by telephone. Instruments: sociodemographic file and housing characteristics; Questionnaire on COVID-19 Experiences; the MINI International Neuropsychiatric Interview ICD-10 Version; the MINI Suicide Risk Scale; the Pittsburgh Sleep Quality Index; the Perceived Stress Scale; Psychosocial Functioning Brief Scale (based on suggested areas of the WHO DAS-S); Questionnaire on Access to Health Services; Mezzich Quality of Life Index; Diener's Life Satisfaction Scale; Block's Ego-Resilience Scale; and an Abbreviated Ad-hoc Questionnaire on Domestic Violence. Analysis used were the correcte...