“…Accordingly, individual behavioral attitudes and decisions are not only rational judgments based on individual preferences and constraints, but are also influenced by the social environment, social opinion, social norms, group pressure, and other factors ( Ryu and Jang, 2006 ; Cislaghi and Shakya, 2018 ). Social norms influence individual behavioral attitudes and values in several areas, such as pro-environmental behavior ( Farrow et al, 2017 ), age of marriage ( Kenny et al, 2019 ), women’s labor participation ( Codazzi et al, 2018 ), health ( Cislaghi and Shakya, 2018 ) and consumption decisions ( Pristl et al, 2021 ). The individual fertility decision is not only affected by the individual characteristics, but also by the social norms of the reference group, which has recently become a topic of interest for sociologists and demographers.…”