[The factors of birth of second child in contemporary Russia: The analysis of sociological survey results].

The article considers the factors determining the orientation of Russians in relation to the birth of second child in single-child families. The analysis is based on the sociological survey data of the first wave of the All-Russian survey "The Demographic Well-being of Russia", carried out at the turn of 2019 - in the beginning of 2020 by the research team headed by Professor Rostovskaya T. K.