Kenya National Bureau of Statistics acts as the principal agency of the government for collecting, analysing and disseminating statistical data in Kenya. It is the  custodian of official statistics. They conduct the Population and Housing Census every ten years, and such other censuses and surveys as the Board may determine.TheyMaintain a comprehensive and reliable national socio-economic database
Establish standards and promote the use of best practices and methods in the production and dissemination of statistical information across the NSS and Plan, authorise, coordinate and supervise all official statistical programmes undertaken within the national statistical system.