Definition: Population census
FAO Agricultural censuses
Total process of planning, collecting, compiling, evaluating, disseminating and analyzing demographic, economic and social data at the smallest geographical level pertaining, at a specified time, to all persons in a country or in a well-delimited part of a country.
Food and Agriculture Organization of the United Nations (FAO), "World Programme for the Census of Agriculture 2020. Volume 1: Programme, concepts and definitions", Roma, 2015