United States 119th Congress Status: In Committee Bipartisan · 4 D · 1 I cosponsors

S 2477 — End Solitary Confinement Act

Last action — Read twice and referred to the Committee on the Judiciary.

  1. ✓
    Introduced
  2. 2
    In Committee
  3. 3
    Passed Senate
  4. 4
    Passed House
  5. 5
    To Executive
  6. 6
    Enacted

This bill is in committee in the Senate. Introduced July 28, 2025. It must pass committee before a floor vote.

Next likely step: a committee vote, then a floor vote in the Senate.

Odds of enactment

Low chance

Based on the sponsor, cosponsors, and committee posture, this bill has a low chance of becoming law.

Upgrade to see the exact probability and what's driving it.

A statistical estimate from our own model of past outcomes — an insight, not a guarantee. Policymaking is volatile.

Prognosis

Advancing 40% · moderate confidence

  • In Committee

    Current position in the legislative process.

  • 5 sponsors

    1 primary, 4 co-sponsors signed on.

  • Bipartisan support

    Sponsored across 2 parties (4 D · 1 I) — cross-party backing.

Based on stage, sponsorship breadth, committee status, recorded votes, and cross-state momentum — a description of the observable signals, not a prediction.

Summary

End Solitary Confinement ActThis bill restricts the use of solitary confinement and establishes minimum standards for incarceration at the federal, state, and local levels.At the federal level, the bill generally prohibits the use of solitary confinement in federal facilities with limited exceptions, such as if necessary to de-escalate an emergency situation. The bill also establishes minimum standards for incarceration, including at least 14 hours per day of out-of-cell congregate interaction in a shared space that is conducive to meaningful group interaction.The bill requires state and local governments to implement laws, policies, and programs that substantially comply with the restrictions on solitary confinement and minimum standards for incarceration in order to receive full funding under the Edward Byrne Memorial Justice Assistance Grant program.The bill establishes an independent community monitoring body, as well as an advisory body of stakeholders, to help provide oversight.Finally, the bill allows a prisoner to file a federal civil action for mental or emotional injury suffered if there is a prior showing of placement in solitary confinement or an alternative unit.

Bill Text

Action History

  1. Introduced in Senate

  2. Read twice and referred to the Committee on the Judiciary.

Sponsors

Sponsorship breakdown

Export CSV (upgrade) →

1 sponsors · 4 co-sponsors · 542 not signed on

Sponsors (1)

Co-sponsors (4)

Not signed on (542)

542 members have not signed on to this bill.

Show all 542 →

"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Subjects

public-safety civil-rights
Cross-referencing the record. Reading this bill against every other bill in the corpus by meaning, not keywords. Only the first open is slow. It’s instant for you after this. Matching · Ranking · Engrossing

Frequently asked questions

What does S 2477 do?
End Solitary Confinement ActThis bill restricts the use of solitary confinement and establishes minimum standards for incarceration at the federal, state, and local levels.At the federal level, the bill generally prohibits the use of solitary confinement in federal facilities with limited exceptions, such as if necessary to de-escalate an emergency situation. The bill also establishes minimum standards for incarceration, including at least 14 hours per day of out-of-cell congregate interaction in a shared space that is conducive to meaningful group interaction.The bill requires state and local governments to implement laws, policies, and programs that substantially comply with the restrictions on solitary confinement and minimum standards for incarceration in order to receive full funding under the Edward Byrne Memorial Justice Assistance Grant program.The bill establishes an independent community monitoring body, as well as an advisory body of stakeholders, to help provide oversight.Finally, the bill allows a prisoner to file a federal civil action for mental or emotional injury suffered if there is a prior showing of placement in solitary confinement or an alternative unit.
Who sponsors S 2477?
S 2477 is sponsored by Markey, Edward J. (Democratic), Warren, Elizabeth (Democratic), Sanders, Bernard (Independent), Hirono, Mazie K. (Democratic), and Merkley, Jeff (Democratic).
What is the current status of S 2477?
This bill is in committee in the Senate. Introduced July 28, 2025. It must pass committee before a floor vote.
Where can I track S 2477?
Track S 2477 free on One Click Politics — get push/email alerts when it moves.

Make your voice heard on S 2477

Find the representatives who decide this bill and tell them where you stand — for yourself, or mobilize your whole list in one click with One Click Politics advocacy software.

Find my representatives → Run a campaign

Stay ahead of S 2477

Last checked for changes 3 months ago · updated continuously

One Click Politics tracks every bill in Congress and all 50 states.

Track this bill →