S.J. Res. 16 (119th)Bill Overview

A joint resolution proposing an amendment to the Constitution of the United States to require that the Supreme Court of the United States be composed of nine justices.

Joint ResolutionLaw|Constitution and constitutional amendmentsJudges
Sponsor
Cosponsors
Support
Republican
Introduced
Feb 6, 2025
Discussions
Bill Text
Current stageCommittee

Read twice and referred to the Committee on the Judiciary.

Introduced
Committee
Floor
President
Law
Congressional Activities
01 · The brief
Joint ResolutionWhat this resolution actually does

This resolution proposes an amendment to the U.S. Constitution that would require the Supreme Court to have nine justices. It only becomes part of the Constitution if three-fourths of state legislatures ratify it within seven years. Proposed constitutional amendments are not sent to the President for approval or veto. If the states ratify it, the Constitution would be changed to include the nine-justice requirement.

Passage rules

A constitutional amendment proposal must be approved by two-thirds of both the House and the Senate in Congress and then be ratified by three-fourths of the state legislatures; this joint resolution sets a seven-year deadline for that ratification and is not presented to the President.

This joint resolution proposes a constitutional amendment that would require the Supreme Court of the United States to be composed of nine justices.

If ratified by three-fourths of state legislatures within seven years, the amendment would make a nine-justice Court a permanent constitutional requirement.

Passage8/100

Single-issue amendment on a divisive subject with no spending benefits; constitutional amendment pathway historically rarely succeeds.

CredibilityAligned

Relative to its intended legislative type, this bill is a narrowly focused constitutional amendment that clearly specifies the change (mandating nine justices) and supplies the standard ratification mechanism and timeline. It omits explanatory rationale, transitional provisions, fiscal discussion, and detailed handling of operational edge cases, but those omissions are not uncommon for a short, single-issue amendment.

Contention75/100

Progressives emphasize entrenchment of Court’s ideological tilt.

02 · What it does

Who stands to gain, and who may push back.

Likely benefits vs burdens50% / 50%
Likely helpedLikely burdened

These are examples from the analysis, not a ranked list of the most-affected groups.

Likely helped
  • Potential benefitCreates a fixed, predictable Court size that supporters say reduces institutional uncertainty.
  • Potential benefitPrevents Congress from increasing or decreasing justices, which supporters call protection against court-packing.
  • Potential benefitMay stabilize nomination timing and expectations for presidential and Senate appointment strategies.
Likely burdened
  • Potential burdenEliminates Congress's flexibility to change court size in response to workload or systemic needs.
  • Potential burdenCould entrench a current ideological balance, limiting future structural judicial reforms.
  • Potential burdenMakes adaptation to unforeseen circumstances or crises more difficult without another constitutional amendment.
03 · Why people split

Why the argument around this bill splits.

Progressives emphasize entrenchment of Court’s ideological tilt.
Progressive15%

Likely views the amendment as an effort to lock in the Court’s current size and block future reforms.

Sees it as reducing democratic and congressional tools to respond to perceived legitimacy problems.

Would oppose absent measures addressing Court decisions and access to justice.

Likely resistant
Centrist60%

Balances support for institutional stability with concern over constitutional inflexibility.

Views a fixed nine-justice rule as a way to reduce tit-for-tat escalation, but worries it could prevent legitimate future reforms.

Would favor compromise additions addressing court integrity.

Split reaction
Conservative95%

Likely strongly supports the amendment as protection against partisan expansion of the Court.

Frames it as restoring and preserving the historical norm and judicial stability.

Prefers a clear constitutional bar to future packing efforts.

Leans supportive
04 · Can it pass?

The path through Congress.

Introduced

Reached or meaningfully advanced

Committee

Reached or meaningfully advanced

Floor

Still ahead

President

Still ahead

Law

Still ahead

Passage likelihood8/100

Single-issue amendment on a divisive subject with no spending benefits; constitutional amendment pathway historically rarely succeeds.

Scope and complexity
24%
Scopenarrow
24%
Complexitylow
Why this could stall
  • Level of bipartisan congressional support
  • Willingness of three-fourths of state legislatures to ratify
05 · Recent votes

Recent votes on the bill.

No vote history yet

The bill has not accumulated any surfaced votes yet.

06 · Go deeper

Go deeper than the headline read.

Included on this page

Progressives emphasize entrenchment of Court’s ideological tilt.

Single-issue amendment on a divisive subject with no spending benefits; constitutional amendment pathway historically rarely succeeds.

Unlocked analysis

Relative to its intended legislative type, this bill is a narrowly focused constitutional amendment that clearly specifies the change (mandating nine justices) and supplies the standard ratification mechanism and timeli…

Go beyond the headline summary with full stakeholder mapping, legislative design analysis, passage barriers, and lens-by-lens tradeoff breakdowns.

Perspective breakdownsPassage barriersLegislative design reviewStakeholder impact map
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