The current census, which starts at midnight on March 26-27, shows half as much data as ten years ago. The questions on property have disappeared from the electronic and paper form and it is now focused on other, more substantial areas of research, such as the place of habitual residence. Such information is especially important for municipalities, thanks to which it finds out how many people actually live in them, and not just on paper. Data on commuting to work or school are important for the organization of public transport and transport infrastructure planning. Data on whether people live in a sublease or in their own and how numerous households in a given locality are then used for housing policy planning.