The report contains a description of the methodology of the ‘Survey on Employment in the National Economy’, whose main purpose is to provide data on the size and structure of the employed population. 

Starting from data for December 2022, the survey is based entirely on administrative data from the registers of the Social Insurance Institution (ZUS), the Agricultural Social Insurance Fund (KRUS), the Ministry of the Interior and Administration, the Ministry of National Defence, the Ministry of Finance, and data from Statistics Poland's Statistical Business Register.