Nepal conducted a widespread national census in 2011 by the Nepal Central Bureau of Statistics. Working in cooperation with the 58 municipalities and the 3,915 Village Development Committees at a district level, they recorded data from all the municipalities and villages of each district. The data included statistics on population size, households, sex and age distribution, place of birth, residence characteristics, literacy, marital status, religion, language spoken, caste/ethnic group, economically active population, education, number of children, employment status, and occupation.

The population wise ranking of 126 Nepalese castes/ethnic groups as per 2011 Nepal census.