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Filibuster

Whether the Senate should keep the 60-vote threshold required to pass most legislation.

Left-leaning view

The filibuster can let a minority of senators block popular, majority-supported legislation.
The current 60-vote threshold to end debate means a bill supported by 55 senators, a clear majority, can still be blocked entirely under filibuster rules. In practice, this means a minority of just 41 senators, representing a much smaller share of the U.S. population, can block legislation supported by the majority of the chamber and the country. This means a bill with clear public support can still fail purely due to procedural rules, not a genuine lack of consensus. Advocates argue this disconnect between majority will and actual outcomes undermines basic democratic responsiveness.
Reforming or ending it could make it easier to pass voting rights and other priorities.
Voting rights legislation and other priorities have failed to advance in recent Congresses despite majority support, which reform advocates cite as a direct consequence of the current filibuster rule. Advocates specifically point to voting rights bills that passed the House and had majority Senate support but still failed to reach the 60-vote threshold needed to end debate. Advocates point to repeated failed cloture votes on voting rights bills as concrete evidence of this dynamic in recent Congresses. Pattern shows the rule blocking action even when public and legislative support exists.
Frequent gridlock under the filibuster contributes to public frustration with Congress.
Legislative gridlock, where popular bills repeatedly stall, is cited by reform advocates as a driver of public frustration and declining trust in Congress's ability to function. Polling has shown declining public approval of Congress over years marked by repeated gridlock, a trend reform advocates link directly to bills stalling despite majority support. Advocates argue this frustration compounds over time, feeding a broader narrative that Congress is structurally incapable of addressing pressing issues. They see filibuster reform as one lever for restoring functional governance.
It wasn’t part of the original constitutional design for the Senate.
The filibuster isn't in the Constitution; it evolved from Senate procedural rules in the 19th century and has been modified multiple times, including carve-outs for judicial nominations. The modern 60-vote threshold dates only to a 1975 rule change, and the filibuster itself has been narrowed before, including a 2013 change removing it for most nominations. Advocates note the rule emerged gradually from Senate procedural quirks rather than deliberate constitutional design. Notably, this history undercuts claims that the modern 60-vote threshold is a sacred, unchangeable tradition.
Other democracies pass major legislation with simple majorities, unlike the current rule.
Most parliamentary democracies pass legislation with simple majority votes, a structural difference reform advocates point to when arguing the U.S. Senate's supermajority requirement is unusually restrictive. The UK's House of Commons and most European parliaments pass major legislation with a simple majority, a contrast reform advocates use to argue the U.S. Senate's rule is unusual.

Right-leaning view

The filibuster encourages compromise and prevents sweeping changes from slim majorities.
Supporters argue the 60-vote threshold forces bipartisan negotiation, preventing either party from enacting sweeping changes with only a narrow, single-party majority. This requirement means major legislation typically needs at least some support beyond a single party's slim majority, which supporters argue produces more durable, broadly accepted policy. Supporters argue this compromise requirement has historically produced more durable, broadly accepted legislation than party-line votes alone. They see it as a stabilizing check built into the Senate's design.
It protects the minority party’s voice, regardless of which party is in power.
Regardless of which party controls the Senate, the filibuster theoretically protects the minority party's ability to demand negotiation rather than being steamrolled entirely. In practice, this protection has been invoked by both parties depending on which one held the majority at a given time, supporters note. Supporters argue this protection has mattered to both parties depending on who holds the majority at a given time. They see it as a consistent, principle-based safeguard rather than a partisan tool.
Removing it could lead to sharp policy swings each time Senate control changes.
Critics of eliminating the filibuster warn that major policies could be enacted and then reversed entirely each time Senate control flips, creating instability rather than durable law. Supporters warn that healthcare, tax, or regulatory policy swinging dramatically every time Senate control changes could create serious uncertainty for businesses and individuals planning around current law. Supporters argue this instability would be especially damaging for long-term policy areas like healthcare or tax law. They see the current threshold as protecting continuity that businesses and individuals rely on.
Long Senate tradition treats the rule as a safeguard against rushed lawmaking.
Senate traditionalists, across party lines at various points, have defended the filibuster as part of what distinguishes the Senate's deliberative design from the simple-majority House. This tradition treats extended debate and negotiation as core features distinguishing the Senate from the House, where a simple majority can generally act more quickly. Supporters argue this deliberative pace, while sometimes frustrating, reflects the Senate's intended role as a check on rapid, majority-driven change. They see it as distinct from and complementary to the House's faster-moving process.
Both parties have relied on it while in the minority, valuing its protection over time.
Senators from both parties have, at different points in history, defended the filibuster specifically while in the minority, then faced pressure to eliminate it while holding the majority — a dynamic supporters cite as evidence of its enduring structural value. This pattern, supporters argue, shows the rule isn't really about which party benefits at a given moment, but about a shared, longer-term interest in preserving Senate deliberation. Supporters point to this pattern of situational defense as evidence the rule serves a genuine institutional purpose, not just partisan convenience. Indeed, this consistency across party lines strengthens the case for preserving it.

Sources

Wikipedia: Filibuster in the United States Senate National Conference of State Legislatures AllSides: Compare Left/Center/Right Coverage FairVote: Electoral Reform Research

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