Both the census of population and housing, and the agricultural census, are obligatory surveys, conducted pursuant to Act of censuses. At the same time, they are largest statistical undertakings implemented not only in Poland and globally. The implementation of such projects requires full mobilisation on the part citizens and the State. Censuses constitute important moments in the life of nation, as when the State asks its citizens “how many of us are there?”, “who are we?” or “how do we live?”, as well as enquires about major information related to the functioning of society. According to international organisations, censuses belong to the greatest organisational undertakings which mobilise whole nations in times of peace. They should be governed by the idea of professional achievement, which significance to the way citizens perceive their state.