Public Ideological Polarization

Fuente: arXiv
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Main Author: Pattison, Alistair
Format: Preprint
Published: 2025
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author Pattison, Alistair
author_facet Pattison, Alistair
contents This paper provides a novel summary measure of ideological polarization in the American public based on the joint distribution of survey responses. Intuitively, polarization is maximized when views are concentrated at opposing extremes with little mass in between and when opinions are highly correlated across many issues. Using this measure, I show that public polarization has been increasing for the past three decades and that these changes are mostly due to increases in general disagreement, not dimensional collapse. Furthermore, these increases are not explained by the diverging opinions of Democrats and Republicans, nor divergence of opinions across gender, geography, education, or any other demographic divide.
format Preprint
id arxiv_https___arxiv_org_abs_2512_00955
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Public Ideological Polarization
Pattison, Alistair
General Economics
Economics
This paper provides a novel summary measure of ideological polarization in the American public based on the joint distribution of survey responses. Intuitively, polarization is maximized when views are concentrated at opposing extremes with little mass in between and when opinions are highly correlated across many issues. Using this measure, I show that public polarization has been increasing for the past three decades and that these changes are mostly due to increases in general disagreement, not dimensional collapse. Furthermore, these increases are not explained by the diverging opinions of Democrats and Republicans, nor divergence of opinions across gender, geography, education, or any other demographic divide.
title Public Ideological Polarization
topic General Economics
Economics
url https://arxiv.org/abs/2512.00955