When Marriage Ends, Politics Change: Divorce and the Decline of Conservatism

Divorce is no longer merely a private rupture in family life but a central marker of social transformation with far-reaching political consequences. By reshaping personal identities, altering economic security, and reconfiguring institutional ties, marital dissolution reverberates into the political sphere, influencing both individual preferences and collective electoral outcomes. This study examines divorce as a politically consequential life event in South Korea, where Confucian family norms retain influence and divorce continues to carry social stigma. Employing a multi-method design, the analysis links micro-level changes to macro-level dynamics. Panel fixed-effects models from the Korean Welfare Panel Study capture within-individual shifts in ideological self-placement before and after divorce. Cross-sectional data from the Korean General Social Survey evaluate whether divorced citizens are less likely to support conservative presidential candidates. District-level electoral and administrative data spanning five national elections between 2012 and 2022 assess whether higher divorce prevalence corresponds with reduced conservative vote shares. Across these analyses, a consistent pattern emerges: divorce is associated with a measurable decline in conservatism at both the individual and aggregate levels. The findings highlight divorce as a mechanism of progressive realignment, demonstrating how life-course disruptions recalibrate political attachments and underscoring family transformation as an overlooked driver of democratic change.