Volume 1Labels, sorting and partisan feeling

Party identification and ideological labels drew closer together in American surveys. The volume asks what the labels contain, in the United States and about 100 countries, how the alignment changed across birth cohorts, and how it differs from partisans' feelings toward the other party.

Volume 2Coalitions and political differences

Participation, group coalitions, issues and attitudes toward institutions and democracy, 1948 to 2024. Party gaps on these measures differ in size and timing, and some reverse with control of the presidency, so no single trend describes them.

Volume 3Votes, giving and places

Election returns, donor records and county data count different populations at different scales. The volume follows the vote from counties to precincts and down the ballot, compares donors with voters, and returns from places to the people who live in them.

Reading path

Party feeling and its consequences

5 chapters in reading order. A path is a way through the book that follows one question; every chapter also stands alone.

1
Feelings toward the other party
Chapter 2.2 in Part II, Change and partisan feeling
Among ANES partisans, the average rating of the other party on the 0 to 100 feeling thermometer fell from 48.0 in 1978 to 20.6 in 2024.
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2
Negative partisanship
Companion 2.2a in Part II, Change and partisan feeling
Among ANES partisans in 2012 to 2024, each 10 points of coldness toward the other party went with 3.5 points more own-party House voting, against 1.9 points for the same warmth toward the own party.
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3
Affective and issue polarization
Planned in Part II, Change and partisan feeling
Did emotional distance between partisans grow faster than their distance on issues?
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4
Party and feelings toward social groups
Planned in Part II, Change and partisan feeling
Does party now organize feelings toward social groups more than race, religion or income?
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5
Political violence and democratic norms
Chapter 5.4 in Part V, Institutions and democratic attitudes
In the 2024 ANES, 17.2% of adult citizens said violence to pursue political goals is justified at least a little, with no party gap that the data separate from zero.
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All chapters