US Federal 2025-2026 Regular Session

US Federal Senate Bill SB770

Introduced
 
Introduced
2/27/25  

Caption

Social Security Expansion Act

Summary

SB 770, titled the Social Security Expansion Act, would substantially increase Social Security benefits and change the program’s financing structure. The bill raises the first bend point in the benefit formula from 90 percent to 95 percent and provides an additional 18 percent increase in the primary insurance amount for people first eligible after 2025. It also changes cost-of-living adjustments to use the Consumer Price Index for Elderly Consumers (CPI-E) instead of the standard CPI, which would generally produce larger annual COLAs for beneficiaries. The bill also expands protections for lower-earning workers and families. It creates a higher minimum benefit for lifetime low earners based on years of work, extends child survivor and dependent benefits for full-time students up to age 22 in certain cases, and makes conforming changes to the Railroad Retirement Act. On the financing side, it raises Social Security payroll taxation by applying taxes above the current wage base up to $250,000, extends self-employment tax in a similar way, increases the tax on net investment income to 16.2 percent, and directs a share of that revenue to Social Security. It also consolidates the existing Old-Age and Survivors Insurance and Disability Insurance trust funds into a single Social Security Trust Fund and makes extensive conforming amendments across federal law. The bill’s impact on state laws is minimal to none; it primarily amends federal law, especially the Social Security Act and the Internal Revenue Code. Its practical effect would be to increase benefits for current and future beneficiaries, especially retirees, disabled workers, survivors, students receiving child benefits, and lower-wage workers with long careers, while also increasing tax liability for high earners and some investment income. It would require administrative recalculations by the Social Security Administration and new Treasury accounting and transfer procedures. The general sentiment reflected by the bill text and sponsorship is strongly supportive of benefit expansion and long-term solvency measures, with the bill framed as both an enhancement and a financing reform. Because there are no committee transcripts or recorded votes provided, there is no documented in-record debate or bipartisan support/opposition in the supplied materials. The introduction by Senator Sanders and multiple Democratic cosponsors suggests a progressive policy approach centered on expanding benefits and shifting more of the financing burden to higher-income taxpayers. The main points of contention likely concern the size and distribution of the tax increases, the use of the CPI-E, and the consolidation of trust funds. Critics would likely focus on the higher payroll and investment-income taxes, the expanded tax base for high earners, and the administrative complexity of merging trust funds and recalculating benefits. Supporters would likely emphasize stronger benefits, better inflation protection for seniors, improved minimum benefits for low earners, and a more durable financing structure for the program.

Impact

The bill would amend the Social Security Act, the Internal Revenue Code, the Railroad Retirement Act, and several budget and Treasury-related statutes. It would increase Social Security benefit formulas, change COLA indexing to CPI-E, expand dependent child eligibility, create a new minimum benefit structure for long-term low earners, and establish a single Social Security Trust Fund in place of the separate OASI and DI trust funds. It would also increase payroll, self-employment, and investment-income tax obligations for higher-income taxpayers and direct new revenue into Social Security, requiring extensive conforming changes across federal law and administrative practice.

Sentiment

The bill is presented in a strongly pro-expansion, pro-solvency frame, with its sponsors signaling support for larger benefits and stronger financing. No committee discussion or vote history is provided, so there is no recorded opposition or negotiated compromise in the supplied materials. Based on the bill’s sponsors and structure, the overall sentiment appears favorable among its backers and likely controversial among those opposed to tax increases and benefit expansion.

Contention

The most likely points of contention are the financing provisions and the scope of benefit increases. Opponents would likely object to raising payroll taxes above the wage base, extending self-employment taxes, and sharply increasing the tax on investment income, especially for high earners and owners of pass-through or capital income. There may also be disagreement over using CPI-E for COLAs, the expanded minimum benefit for low earners, and the administrative and legal complexity of merging the trust funds into a single Social Security Trust Fund. Supporters would argue these changes are necessary to improve adequacy and solvency.

Companion Bills

US HB1700

Same As Social Security Expansion Act

US SB4196

Related Strengthen Social Security by Taxing Dynastic Wealth Act

Previously Filed As

US HB1700

Social Security Expansion Act

US HB963

Protecting Social Security Act

US SB3462

Safeguarding American Families and Expanding Social Security Act of 2025

US HB4968

Protecting and Preserving Social Security Act

US SB2763

Keep Billionaires Out of Social Security Act

US SB2614

Protecting and Preserving Social Security Act

US SB1690

Medicare and Social Security Fair Share Act

US HB3517

Social Security Enhancement and Protection Act of 2025

US HB3271

Medicare and Social Security Fair Share Act

US SB156

Social Security Income Tax Cap

Similar Bills

No similar bills found.