This document discusses census methods used in Nepal. It explains that a census is a complete count of a population that provides data on characteristics like age, sex, occupation, etc. Nepal conducts a national census every 10 years, with the most recent in 2011. Censuses can be conducted using the de facto, de jure, or modified de jure methods. The modified de jure method, which counts people at their usual place of residence for 6 months or more, has been used in Nepal since 1952. Censuses provide important national-level demographic and socioeconomic data used for planning.