Affective Polarization in Political Contexts

Affective polarization refers to the growing animosity and emotional distance between supporters of different political parties or ideological camps. It emerges when partisan allegiance becomes bound up with social identity, leading individuals to view political out-groups as not only incorrect but morally suspect or threatening. The phenomenon is evident across democracies, though its intensity and drivers vary with institutional arrangements, party systems and media environments. Key mechanisms include social sorting—where political divisions align with demographic, cultural or economic identities—and elite cues that personalise politics around leaders or salient issues. In two-party systems, affective divides often centre on binary in-group/out-group dynamics, whereas multiparty contexts can give rise to complex affective blocs and gradations of antipathy. Consequences extend beyond electoral behaviour to shape policy attitudes, intergroup trust, social cohesion and civic engagement, with implications for democratic resilience worldwide.

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Affective Polarization in Political Contexts publication trend

The graph below shows the total number of articles in affective polarization in political contexts across all publications each year (not limited to Nature Index journals).

Technical terms

Affective polarization: The emotional hostility and social distance between supporters of different political groups.

Partisan identity: An individual’s psychological attachment to a political party or ideological movement that shapes perceptions and behaviour.

Social sorting: The alignment of political affiliations with demographic, cultural or socioeconomic characteristics that intensifies in-group/out-group distinctions.

Intergroup threat: Perceived danger or competition posed by an out-group, which can heighten negative attitudes and reinforce partisan hostility.

Populist radical right: Political actors combining nativism and anti-establishment messaging, often associated with elevated levels of mutual dislike with mainstream parties.

References

1. Patterns of Affective Polarization toward Parties and Leaders across the Democratic World. American Political Science Review (2023).
2. Affective Polarization and the Populist Radical Right: Creating the Hating?. Government and Opposition (2021).
3. Ticking all the boxes? A comparative study of social sorting and affective polarization. Electoral Studies (2021).
4. Who Dislikes Whom? Affective Polarization between Pairs of Parties in Western Democracies. British Journal of Political Science (2022).
5. Affective blocs: Understanding affective polarization in multiparty systems. Electoral Studies (2021).
6. Intergroup Threat and Affective Polarization in a Multi-Party System. Journal of Social and Political Psychology (2021).
7. Does affective polarisation increase turnout? Evidence from Germany, The Netherlands and Spain. West European Politics (2022).