This document discusses the determinants of under-five child morbidity and mortality in Nepal. It defines key terms like child, infant, and under-five mortality rates. The major causes of under-five mortality in Nepal are identified as low birth weight, birth asphyxia, infections, hypothermia, congenital abnormalities, malnutrition, acute respiratory infections, diarrhea, and measles. The document also discusses social and environmental factors that indirectly impact child health outcomes, like maternal health, education, family size, and cultural practices. Statistics from the Nepal Demographic and Health Survey 2016 are presented on trends in childhood mortality and its relationship to factors like residence, birth order, and maternal age.