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The measurement of partisan sorting for 180 million voters

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  • Jacob R. Brown

    (Harvard University
    Harvard University)

  • Ryan D. Enos

    (Harvard University
    Harvard University)

Abstract

Segregation across social groups is an enduring feature of nearly all human societies and is associated with numerous social maladies. In many countries, reports of growing geographic political polarization raise concerns about the stability of democratic governance. Here, using advances in spatial data computation, we measure individual partisan segregation by calculating the local residential segregation of every registered voter in the United States, creating a spatially weighted measure for more than 180 million individuals. With these data, we present evidence of extensive partisan segregation in the country. A large proportion of voters live with virtually no exposure to voters from the other party in their residential environment. Such high levels of partisan isolation can be found across a range of places and densities and are distinct from racial and ethnic segregation. Moreover, Democrats and Republicans living in the same city, or even the same neighbourhood, are segregated by party.

Suggested Citation

  • Jacob R. Brown & Ryan D. Enos, 2021. "The measurement of partisan sorting for 180 million voters," Nature Human Behaviour, Nature, vol. 5(8), pages 998-1008, August.
    • Handle: RePEc:nat:nathum:v:5:y:2021:i:8:d:10.1038_s41562-021-01066-z
    DOI: 10.1038/s41562-021-01066-z
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    Citations

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    Cited by:

    1. Gordon B. Dahl & Runjing Lu & William Mullins, 2022. "Partisan Fertility and Presidential Elections," American Economic Review: Insights, American Economic Association, vol. 4(4), pages 473-490, December.
    2. Mira Frick & Ryota Iijima & Yuhta Ishii, 2018. "Dispersed Behavior and Perceptions in Assortative Societies," Cowles Foundation Discussion Papers 2128R2, Cowles Foundation for Research in Economics, Yale University, revised Oct 2021.
    3. Su-Min & Alexandru, 2022. "Do Labels Polarise? Theory and Evidence from the Brexit Referendum," Cambridge Working Papers in Economics 2227, Faculty of Economics, University of Cambridge.
    4. Raffiee, Joseph & Teodoridis, Florenta & Fehder, Daniel, 2023. "Partisan patent examiners? Exploring the link between the political ideology of patent examiners and patent office outcomes," Research Policy, Elsevier, vol. 52(9).
    5. Carozzi, Felipe & Cipullo, Davide & Repetto, Luca, 2024. "Powers that be? Political alignment, government formation, and government stability," Journal of Public Economics, Elsevier, vol. 230(C).
    6. Schmutz, Benoît & Verdugo, Gregory, 2023. "Do elections affect immigration? Evidence from French municipalities," Journal of Public Economics, Elsevier, vol. 218(C).
    7. Minson, Julia A. & Bendersky, Corinne & de Dreu, Carsten & Halperin, Eran & Schroeder, Juliana, 2023. "Experimental studies of conflict: Challenges, solutions, and advice to junior scholars," Organizational Behavior and Human Decision Processes, Elsevier, vol. 177(C).
    8. Matthew I. Jones & Antonio D. Sirianni & Feng Fu, 2022. "Polarization, abstention, and the median voter theorem," Palgrave Communications, Palgrave Macmillan, vol. 9(1), pages 1-12, December.
    9. Caroline J. Tolbert & Daria Kuznetsova, 2021. "Editor’s Introduction: The Promise and Peril of Ranked Choice Voting," Politics and Governance, Cogitatio Press, vol. 9(2), pages 265-270.
    10. Mira Frick & Ryota Iijima & Yuhta Ishii, 2018. "Dispersed Behavior and Perceptions in Assortative Societies," Cowles Foundation Discussion Papers 2128R3, Cowles Foundation for Research in Economics, Yale University, revised Jun 2022.
    11. Engelberg, Joseph E. & Guzman, Jorge & Lu, Runjing & Mullins, William, 2021. "Partisan Entrepreneurship," SocArXiv qhs6j, Center for Open Science.
    12. Ximeng Fang & Sven Heuser & Lasse S. Stötzer, 2023. "How In-Person Conversations Shape Political Polarization: Quasi-Experimental Evidence from a Nationwide Initiative," ECONtribute Discussion Papers Series 270, University of Bonn and University of Cologne, Germany.
    13. James Flamino & Alessandro Galeazzi & Stuart Feldman & Michael W. Macy & Brendan Cross & Zhenkun Zhou & Matteo Serafino & Alexandre Bovet & Hernán A. Makse & Boleslaw K. Szymanski, 2023. "Political polarization of news media and influencers on Twitter in the 2016 and 2020 US presidential elections," Nature Human Behaviour, Nature, vol. 7(6), pages 904-916, June.

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