Background: Birth weight should preferably be measured within the first hour of life for live births, before significant postnatal weight loss has occurred. The socio-economic factors associated with LBW are income, level of education in the mother and other family members, occupation of the mother, household leadership and gender differences related to roles within the family. The aim of this study to assess the socioeconomic and maternal reproductive factors related to Low Birth Weight (LBW) of babies delivered in district hospital in Rajasthan.