Support for Same-Sex Marriage and Adoption in Mexico: Effects of Sociodemographic, Political, and Media Factors in an Electoral Context

Although same-sex marriage and adoption have been legally recognized in Mexico through several rulings by the Supreme Court of Justice of the Nation, public attitudes toward these rights remain contested. Despite gradual increases in support, empirical studies in Mexico examining macro-social and individual factors shaping public opinion are still limited. Using data from the CNEP 2024 post-electoral survey (N = 1,205), this study analyzes the effects of sociodemographic, political, and media-related variables on support for both rights. Results show that being female, younger, more educated, having a lower income, voting for Jorge Álvarez Máynez, and active social media use were positively associated with support for both rights. In contrast, religiosity and voting for Claudia Sheinbaum affected only support for adoption. The findings partially align with theoretical expectations about gender roles, modernization, and network contagion, while contradicting others, such as the role of income and the limited influence of religiosity. The results are discussed within the broader theoretical framework that informs this area of research.