Basic information on the phenomenon of undeclared work of unregistered work from both people declaring illegal work and employers and households performing the unregistered work. Persons working in the „grey area” in connection with the demographic and social-economic characteristics (sex, age, education), kind of the performed work, its duration, reasons for undertaking it. on the phenomenon of undeclared work.

Analysis of the phenomenon of enterprises’ organising into groups. The publication presents information on enterprise groups operating in Poland by type, size and country of location of the ultimate parent unit (global group head). The information concern, among others, the number of persons employed and the kind of activity of the group, revenues, costs and results of the groups preparing consolidated financial statement. Moreover, the publication includes information about legal units belonging to the groups.

The publication contains information on the number of buildings by their type, as well as data on the age and size of residential buildings, taking into account the housing stock located in these buildings. It also contains information on the number of dwellings by various cross-sections, including in particular inhabited dwellings or by entities owning dwellings. The subject of analysis is also information on the equipment of buildings with technical and sanitary installations.

Basic information on the level of professional activity of the population, according to demographic and socio-economic features. The employed according to professional features, employment status, work time. Unemployment characteristics (duration, professional past), and the situation of the disabled on the labour market. Reasons for professional inactivity.

Analysis of investment outlays and changes in the stock of fixed assets in the national economy by ownership sectors, sections and divisions of the Polish Classification of Activities (PKD 2007), the classification of fixed assets (KŚT 2016) and in the territorial division of the country at the NUTS 2 level (according to NUTS 2016). In addition to the analytical part, the publication contains a part describing methodological solutions, applied classifications and definitions of basic concepts in the field of capital expenditures and fixed assets.