Is political polarization worse than it's been in the past?
[1][2][3]Yes, by many modern metrics, political polarization in the United States is worse than it has been in recent decades (roughly since the 1970s–1980s), though it is not the most extreme in the country’s full history, and comparisons depend on the type of polarization measured (ideological/issue-based, affective/emotional, elite vs. mass).[1][2]
Recent Trends (Late 20th Century to Present)
Multiple studies using survey data (e.g., American National Election Studies) and congressional voting records show clear increases:
Other indicators include more consistent ideological self-placement, declining trust across party lines, and polarization spilling into non-political domains (media diets, social networks, even some local communities). The U.S. is unusual in having roughly equal-sized left and right clusters, which can make divides feel especially intense compared to countries with one dominant side.[1]
Polarization is often described as somewhat asymmetric (stronger rightward elite shift in Congress; leftward mass shift on social issues in recent data) and more pronounced among the politically engaged. Mass public opinion still shows some overlap and agreement on specifics, but sorting and affective animosity amplify divides.[8]
Longer Historical Perspective
The U.S. has experienced intense polarization before, and current levels are high but not unprecedented in severity or consequences:
Today’s polarization differs in character: more nationalized and identity-based, amplified by fragmented media/social media, with highly sorted parties (liberals almost all Democrats; conservatives almost all Republicans) and less cross-cutting cleavages. It features high mutual distrust and perceptions of existential threat, but lower levels of organized political violence than the 1960s or Civil War era (though concerns about rising threats exist). Some argue the stakes feel high due to cultural issues and institutional norms, while others note that policy disagreements alone are not as irreconcilable as slavery.[11][11]
Broader Context and Caveats
In short, relative to the late 20th century baseline of relatively low polarization and higher bipartisanship, yes—it is worse today on key measures of both elite and mass politics. Relative to the full American past, it is severe and concerning (especially for governance and social trust) but has precedents, and the country has navigated worse without permanent rupture. Outcomes depend on institutions, leadership, and whether divides harden further or find avenues for compromise.
Citations (13)
- https://www.cam.ac.uk/stories/political-division-united-states
Backs: “[[1]](https://www.cam.ac.uk/stories/political-division-united-states)”
- https://www.pewresearch.org/short-reads/2022/03/10/the-polarization-in-todays-congress-has-roots-that-go-back-decades/
Backs: “[[2]](https://www.pewresearch.org/short-reads/2022/03/10/the-polarization-in-todays-congress-has-roots-that-go-back-decades/)”
- https://www.nytimes.com/interactive/2024/07/31/opinion/political-violence-history-division.html
Backs: “[[3]](https://www.nytimes.com/interactive/2024/07/31/opinion/political-violence-history-division.html)”
- https://royalsocietypublishing.org/rsos/article/13/2/251428/479919/A-new-measure-of-issue-polarization-using-k-means
Backs: “Clustering algorithms showed clearer separation between left- and right-leaning opinion groups, alongside more partisan “sorting” (people aligning labels like Democrat/liberal or Republican/conservative more tightly with their views).”
- https://goodauthority.org/news/americans-views-of-the-opposite-party-have-declined-even-further/
Backs: “Feeling thermometer ratings show stable or positive views of one’s own party but much colder views of the other (e.g., out-party ratings dropping from near-neutral levels decades ago to much lower recently). The U.S. has experienced one of the largest increases among established democracies. Unfavorable views of the…”
- https://web.stanford.edu/~gentzkow/research/cross-polar.pdf
Backs: “Unfavorable views of the other party have roughly doubled in some periods (e.g., 1994–2014), and very unfavorable views hit highs.”
- https://web.archive.org/web/20211217010716/https:/www.annualreviews.org/doi/10.1146/annurev-polisci-051117-073034
Backs: “Unfavorable views of the other party have roughly doubled in some periods (e.g., 1994–2014), and very unfavorable views hit highs. This includes greater aversion to things like interparty marriage.”
- https://en.wikipedia.org/wiki/Political_polarization_in_the_United_States
Backs: “Polarization is often described as somewhat asymmetric (stronger rightward elite shift in Congress; leftward mass shift on social issues in recent data) and more pronounced among the politically engaged.”
- https://www.cfr.org/articles/why-today-not-1850s
Backs: “has experienced intense polarization before, and current levels are high but not unprecedented in severity or consequences: Civil War era (1850s–1860s): Far worse.”
- https://www.yahoo.com/news/think-us-more-polarized-ever-222352324.html
Backs: “Civil War era (1850s–1860s): Far worse. Sectional conflict over slavery led to secession, war with hundreds of thousands dead, and lasting trauma.”
- https://www.cnn.com/2026/07/05/politics/trump-july-4-america-250-civil-war-analysis
Backs: “Civil rights protests were often unpopular at the time. Many historians and commentators note this period as comparably or”
- http://www.rochester.edu/college/faculty/alexander_lee/wp-content/uploads/2026/05/How_Polarization_Ends-12.pdf
Backs: “Jeffersonian Republicans, with intense rhetoric and fears of dissolution); Gilded Age (late 19th century, high partisan conflict and occasional violence); periods around the 1890s or Progressive Era. Polarization has risen and fallen in cycles; congressional data show peaks in”
- https://carnegieendowment.org/files/McCoy_et_al_-_Polarization_final_3.pdf
Backs: “slavery. Broader Context and Caveats. Not just the U.S.: Affective and other forms of polarization have risen in some (but not all) democracies; the U.S.”