“…Research about hostility across party lines, that is, affective polarization , has until recently focused on the United States (Druckman and Levendusky 2019; Iyengar et al 2019). Yet, a growing comparative affective polarization literature has emerged (Adams et al 2022; Bassan-Nygate and Weiss 2022; Boxell, Genzkow, and Shapiro 2020; Gidron, Adams, and Horne 2020; Harteveld 2021a, Harteveld 2021b; Hernandez, Anduiza, and Rico 2021; Hobolt, Leeper, and Tilley 2020; Horne, Adams, and Gidron 2022; Lauka, McCoy, and Firat 2018; Reiljan 2020; Wagner 2021; Westwood et al 2018). This research primarily analyzes cross-national variations in affective polarization.…”