Bipartisan Senate Proposal Aims to Prevent Social Security Fund Depletion

Understand what the PROMISE Act could change and which Social Security funding dates retirement plans should test.

A bipartisan Senate group has introduced the PROMISE Act to push Congress toward a Social Security solvency package before reserves run short. The proposal could speed negotiations, but it would not itself set tax increases, benefit cuts, retirement-age changes, or investment policy.

The measure is S. 4979, introduced July 14, 2026. The Government Publishing Office legislative record shows introduction and referral to the Senate Finance Committee, not enactment.

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What the PROMISE Act would do

The PROMISE Act is a process bill: it creates a path for developing and considering another bill that would contain the actual social security changes. Its target is "long-term solvency." The bill defines that as keeping both major trust funds able to pay 100% of scheduled benefits for at least 50 years after enactment.

Those funds are OASI, which covers retirement and survivor benefits, and DI, which covers disability benefits. The proposal assigns the Social Security Advisory Board responsibility for recommending policies and drafting legislative language.

How expedited consideration would work

If the promise Act becomes law, the Advisory Board would submit a public report by September 14, 2026. Congress would then consider a base bill using procedures that could move it out of committee and allow 100 hours of debate. Senator Dick Durbin's office says final passage would require three-fifths of senators and a majority of House members.

Those thresholds preserve a major political hurdle even if the procedural bill passes. Durbin, a Democrat from Illinois, is joined by Bill Cassidy, Tim Kaine, Thom Tillis, Angus King, John Cornyn, Chris Coons, and Alan Armstrong. The group demonstrates cross-party interest, but its limited size does not establish that a final solvency package could pass.

What fund depletion would mean

Trust-fund depletion would not terminate Social Security. It means reserves would be exhausted, leaving incoming dedicated revenue insufficient to cover every scheduled benefit. The Trustees project that OASI reserves will be depleted in the fourth quarter of 2032.

At that point, dedicated income could cover 78% of scheduled OASI benefits, according to the Social Security Administration's June 2026 release. The combined OASI and DI funds are projected to pay full scheduled benefits through 2034 and 83% afterward. DI alone remains solvent throughout 2026–2100, according to the Trustees' fund-by-fund highlights. The 2032 OASI date therefore should not be presented as the depletion date for every Social Security program.

Who has the most at stake

About 70 million people received Social Security in December 2025. That included 56 million retired workers and dependents, 8 million disabled workers and dependents, and 6 million survivors.

The eventual policy choices could affect those groups differently. Because the PROMISE Act does not select any financing or benefit changes, it cannot yet show who would pay more, receive less, or face revised eligibility or claiming rules.

How retirement planners can respond

An introduced process bill is not a sound basis for an irreversible claiming or retirement decision. A more useful approach is to test several income scenarios: Watch whether S.

4979 advances beyond introduction and, if enacted, whether the Advisory Board's report produces a bill with specific policy changes. Readers can review the complete introduced PROMISE Act bill text.

  • Keep scheduled benefits as the baseline.
  • Test retirement and survivor income at 78% beginning after the projected 2032 OASI depletion.
  • Run a separate combined-fund scenario using 83% after 2034.
  • Keep disability planning distinct because DI has a different solvency outlook.

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