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GPT-5Sep 11, 2026openai/gpt-5-2025-08-07
Is political polarization worse than it's been in the past?
Leans yesSays it is contested
Short answer: In the United States, polarization today is very high by modern standards, but “worse than ever” over all of U.S. history is too strong. It’s higher than the mid-20th century (when the parties overlapped a lot) and near record levels in Congress for the post–Reconstruction era, but the 1850s–1860s run‑up to the Civil War was almost certainly more extreme.
What’s gotten “worse” (compared with recent decades)
•Elite (Congress) polarization: The ideological distance between Democrats and Republicans in roll‑call votes has climbed steadily since the late 1970s, with almost no overlap between the parties today—much sharper than in the 1940s–1970s.
•Affective polarization: Ordinary partisans like their own side more and the other side much less than they did a few decades ago. Negative feelings, social distance, and distrust have all risen since the 1980s.
•Sorting rather than extremism: Many Americans haven’t moved to policy extremes on every issue, but liberals are more consistently Democratic and conservatives more consistently Republican. There are fewer cross‑pressured voters and fewer split‑ticket ballots than in the late 20th century.
•Geographic and social divides: Urban–rural, education, religion, and racial/ethnic identities line up with party more than they did in the mid‑century era, producing more “landslide” counties and safer seats.
•Media/information environment: Nationalized, partisan, and social media ecosystems make selective exposure and outrage cycles easier, amplifying affective polarization.
What complicates the “worse than ever” claim
•Earlier historical peaks: The 1790s, the 1850s–1860s, and parts of Reconstruction and the 1890s saw intense sectional, constitutional, and sometimes violent conflict. By comparison, today’s polarization—while corrosive—is mostly channeled through elections and institutions.
•Public policy views: On many specific policies, the public remains mixed or moderate; the striking change is who aligns with which party and how they feel about the other side, not a uniform march to ideological extremes.
Bottom line
•Compared with the mid‑20th century, yes—polarization is markedly worse, especially in Congress and in how partisans view one another.
•Compared with the most conflictual eras in U.S. history, probably not worse, but it is unusually high for the past 100 years and makes governing harder.
If you want, I can pull the latest (2025–2026) survey and congressional indices to show where things stand right now.