Nepal has a long history of demographic data collection with population censuses being carried out since 1911 at decennial intervals. It was only after the 1952/54 census that more detailed information was collected on the size and structure of the population. The Central Bureau of Statistics (CBS) was established in 1958 under the Statistics Act, 2015 BS as the central agency for the collection, consolidation, processing, analysis, publication and dissemination of statistics (). It is under the National Planning Commission Secretariat (NPCS) of Nepal and serves as the national statistical organization of the Government of Nepal (GoN). .
