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GPT-5Oct 16, 2026openai/gpt-5-2025-08-07
Is political polarization worse than it's been in the past?
Leans yes
Short answer (assuming you mean the United States): compared with most of the late 20th century, polarization today is higher—especially among political elites and in how partisans feel about each other—but it isn’t the worst in all of U.S. history.
How it’s “worse” than the recent past
•In Congress: The ideological distance between the average Democrat and Republican is at or near its highest level in more than a century of roll‑call measurement. Party‑line voting is very common, and cross‑party coalitions are rarer than they were from roughly the 1940s–1970s.
•Among voters: “Affective” polarization has climbed since the 1970s—Democrats and Republicans like their own side more and the other side much less. Straight‑ticket voting is more common, and there are fewer genuinely swing districts and ticket‑splitters than a few decades ago.
•Sorting more than extremism: Many citizens aren’t dramatically more ideologically extreme than before, but liberals now vote almost entirely Democratic and conservatives almost entirely Republican, leaving fewer cross‑pressured or mixed‑party types.
Why it happened (big drivers researchers point to)
•Party realignment and sorting after the Civil Rights era reduced ideological overlap between the parties.
•Nationalized media and social media amplify partisan identity and conflict.
•Primaries and safe districts favor more ideologically consistent candidates; gerrymandering mainly reduces competition, which can indirectly reinforce polarization.
•Negative partisanship: voting “against the other side” increasingly motivates behavior.
Important perspective
•Not unprecedented: The 1850s (pre–Civil War) and parts of the late 19th century saw deeper sectional and party conflict—and far more violence—than today. So historically, we’ve seen “worse,” but relative to the mid‑ to late‑20th century, today’s polarization is clearly elevated.
If you want, I can pull the latest hard numbers (e.g., congressional DW‑NOMINATE trends through 2026 or recent survey thermometers) to show exactly where things stand now.