Workers earning above $250,000 a year would face a new layer of Social Security payroll tax under a bill filed in the House this Congress, while the existing wage cap below that threshold would stay untouched. H.R. 1700, the Social Security Expansion Act, pairs that revenue mechanism with larger benefit checks for retirees by switching the annual cost-of-living formula from the consumer price index for urban wage earners (CPI-W) to the consumer price index for the elderly (CPI-E). Rep. Val Hoyle, Sen. Bernie Sanders, Sen. Elizabeth Warren, and Rep. Jan Schakowsky introduced the measure, framing it as a way to shore up the program’s finances by collecting the 12.4% payroll tax on high-end earnings that currently escape the levy entirely.
How the $250,000 threshold reshapes payroll tax math
Under current law, Social Security collects its 12.4% combined employer-employee tax only on earnings up to an annual ceiling. The Social Security Administration’s Office of the Chief Actuary publishes a detailed taxable maximum table tracking that cap from 1937 through 2026. H.R. 1700 would leave that cap in place but start collecting the same 12.4% rate again on wages, salaries, and self-employment income above $250,000. The gap between the existing cap and the $250,000 line creates what analysts call a “donut hole,” a band of earnings that remains untaxed.
That design carries a built-in fiscal dynamic. As wages at the top of the income distribution grow faster than average earnings, the share of total payroll tax revenue generated above $250,000 would be expected to increase over time. Testing that effect is straightforward: SSA wage-distribution data already tracks how much total compensation falls above and below any given threshold. If the bill became law, comparing those distributions before and after enactment would show whether the donut-hole layer is pulling in a rising fraction of program revenue, a signal that matters for long-term solvency projections.
The donut-hole approach also has distributional implications. Workers whose pay falls entirely below the existing taxable maximum would see no change in their payroll tax bills. Those with earnings that cross the current cap but remain under $250,000 would likewise be unaffected. The new tax would concentrate on households whose wages or self-employment income extend well into the six-figure range, while still leaving a slice of upper-middle incomes between the cap and $250,000 untaxed. That structure allows sponsors to say they are not raising taxes on the “middle class” while still tapping a portion of the highest earners’ payrolls.
Sponsors’ benefit promises and the evidence gap
The bill’s sponsors say the new revenue would fund benefit increases, including the shift to CPI-E for calculating annual cost-of-living adjustments. The Social Security Administration’s 2026 COLA fact sheet confirms that the current-law adjustment is based on CPI-W. CPI-E typically runs slightly higher because it gives more weight to health care and housing costs, which tend to rise faster for older Americans. Replacing CPI-W with CPI-E would therefore be expected to produce somewhat larger annual increases in monthly checks, compounding over time into meaningfully higher benefits for long-lived retirees.
In addition to the index change, H.R. 1700’s sponsors have promoted the bill as expanding baseline benefit levels and improving the minimum benefit for long-term low-wage workers. Those design choices would channel a larger share of new revenue toward beneficiaries with limited lifetime earnings, while the CPI-E switch would apply across the board. Together, the provisions aim to address both adequacy-how far a typical benefit stretches in retirement-and equity between higher- and lower-income workers.
However, the precise fiscal impact of this package remains uncertain. No official Social Security Administration actuarial memorandum specific to H.R. 1700 is cited in the available materials, and there is no public reference in these sources to a Congressional Budget Office cost estimate for the bill. The CBO has modeled a generic policy that applies the 12.4% tax to earnings over $250,000, and that stylized option generates substantial new revenue in its simulations. But that analysis does not incorporate H.R. 1700’s exact benefit formulas, phase-ins, or interactions with existing law, leaving a gap between the sponsors’ claims and independently verified projections.
The legislative summary for H.R. 1700 outlines the major changes but does not attach a detailed actuarial score. In public statements, Rep. Hoyle and her co-sponsors argue that taxing earnings above $250,000 while modestly increasing benefits would “strengthen Social Security for generations.” Without an accompanying long-range projection from SSA’s Office of the Chief Actuary or a formal CBO score, readers must treat those assurances as political claims rather than settled budget math.
That evidence gap does not mean the bill cannot improve solvency; it simply underscores how much hinges on technical details. The long-term balance depends on how quickly high-end wages grow, how many workers cross the $250,000 line, how benefits respond to the CPI-E index over decades, and whether other features of the bill alter claiming behavior. Actuarial scoring would quantify those moving parts, showing not just whether the trust funds last longer, but by how many years and under what economic assumptions.
For now, the Social Security Expansion Act marks a clear policy choice: keep the traditional payroll tax structure for most workers, layer a new contribution on very high earnings, and use part of the proceeds to boost and re-index benefits. The debate in Congress is likely to turn on whether lawmakers prioritize closing the program’s projected shortfall, expanding benefits, or some mix of both-and whether they are satisfied advancing a major rewrite of Social Security’s finances before the underlying numbers are fully pinned down.
