Is political polarization worse than it's been in the past?

[1][2][3][4][5]Yes, by most measurable standards—particularly over the past several decades—political polarization in the United States is worse (or at historic highs for the modern era) than it has been in living memory or the post-World War II period, though comparisons to the full span of U.S. history are more nuanced and it is not unprecedented in absolute terms.[1]

Polarization has multiple dimensions: ideological/issue (policy differences), affective (emotional dislike or hostility toward the other side), elite/partisan (e.g., Congress voting records and party sorting), and social (how it affects everyday interactions). Data consistently show rises across these, especially since the 1990s–2000s, with acceleration after ~2008.

Recent Trends (Last 30–50 Years)

Pew’s political typology work further illustrates fragmentation within the two parties into multiple subgroups, alongside a persistent red-blue divide and a “tuned-out middle.”[11]

Longer Historical Context

There is no golden age of perfect unity. The U.S. has seen intense divisions before:

Some historians and analysts argue today’s divisions are not deeper in substance than the 1960s or early 1800s, or that the 50/50 electoral balance limits decisive action. Others contend current polarization is more dangerous or intractable because it is more thoroughly nationalized along party lines (fewer regional or cross-cutting cleavages), identity-based/affective, amplified by fragmented media and social media algorithms, and occurring in a context of declining social capital and trust. It feels pervasive in daily life, culture, and institutions in ways that prior elite or sectional conflicts sometimes did not.[5][12]

Public opinion on many issues still shows a sizable moderate/center mass, and issue polarization is often less extreme among the general public than among elites or highly engaged partisans. Recent data hint at possible plateaus or slight dips in some metrics, though levels remain elevated and expectations of further widening are common.[1]

Key Drivers and Caveats

Common explanations include: partisan sorting and realignment (especially post-civil rights/Southern strategy); media fragmentation (from broadcast consensus to cable/internet/social media echo chambers); rising inequality and cultural/identity shifts; elite cues; and events like the financial crisis, Obama/Trump eras. Asymmetry appears in some data (e.g., mass leftward shifts on social issues vs. elite rightward moves). Polarization is rising in many countries but is particularly acute and balanced (roughly equal camps) in the U.S., which may intensify the sense of gridlock and mutual threat.[13]

In short, for the period with reliable modern data (roughly post-1970s or post-1980s), yes—polarization is worse on ideological distance, affective hostility, elite cohesion, and social spillover than in the recent past. It ranks among the highest peacetime levels in U.S. history by several metrics and is uniquely sustained among peer democracies, even if the Civil War remains the extreme outlier and earlier eras had their own severe conflicts. The nature today—more totalizing party identities, less room for cross-party compromise, and media amplification—makes it particularly challenging for democratic functioning.