Basic information about current data on the area of the country (according to the territorial division as of 1 January 2025), population and population density (as of 31 December 2024, recalculated on 1 January 2025) at various levels of aggregation, resulting from changes introduced annually in the territorial division of the country and changes in the state of population. In addition to the tabular part, the publication contains among others, data sources, methodological notes and synthetic description of the data including a reference to the previous year.