Objective: To examine the factors associated with caregivers' burden in individuals providing care to family members suffering from serious mental illness. Methods: This Cross Sectional Study was carried out at Armed Forces Institute of Mental Health, Rawalpindi, from May 2015 to December 2015. A purposive sample of 120 family caregivers (60 males and 60 females, age range= 18-65) who were taking care of patients with serious mental illness (i.e.