The presented book "Religious denominations in Poland in 2019-2021" is the 10th edition of the cyclical publishing series of the Statistic Poland. At the beginning of the publication, selected aspects of the methodology of statistical surveys of religious denominations in Poland are discussed (Chapter 1). Then, there are considerations concerning the names of Polish churches and religious associations in the perspective of the sciences of culture and religion (Chapter 2), and the classification of Polish churches and religious associations by religious traditions is presented and commented on (Chapter 3).

The publication presents: changes in the size of the population of beneficiaries of social assistance and their households, as well as the scale of benefiting from this assistance along with its regional differentiation; the population of beneficiaries and their households, including single-person households in 2021, with numerous references to the beginning of the 2012–2021 decade; poor beneficiaries of social assistance and their households; the problem of sustainability of benefiting from social assistance and changes in the population of households with children in connection with the introduction of child-raising benefit in 2016.

Basic data and indicators characterizing the socio-economic situation of the country, presented in the form of data series - monthly, quarterly and annual on industry, including data on production, turnover, new orders, employment, average monthly gross wages, worked time, investment outlays, current assets, the sources of financing of enterprises assets.

Analysis of data describing the socio-economic situation of the voivodships. Selected categories presented in dynamic, including conversations with average sizes for countries in quarterly periods and growing periods.