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Index/Topics/US Political Polarization 2013-2023

US Political Polarization 2013-2023

The increasing political polarization between Democrats and Republicans in the US from 2013 to 2023, driven by structural changes, party realignment, and identity sorting.

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Jan 15, 2026
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How has political polarization between Democrats and Republicans evolved over the past decade?

Over the past decade political polarization between Democrats and Republicans has intensified in some dimensions—especially among political elites and in congressional voting—while public-level trends...

Jan 21, 2026

How similar are liberals and republicans and what separates them

overlap in basic civic commitments—electoral participation, belief in the country’s institutions by many, and clustering into partisan coalitions—but they now differ sharply in policy priorities, ideo...