Projected funding for Social Security and Medicare Part A is worsening, with the CBO now estimating the Social Security retirement trust fund will run dry in 2032 and Medicare Part A by 2040, earlier than last year. Higher inflation raises benefit costs, while tax changes and a shift in earnings growth shrink projected revenue, accelerating expected shortfalls. If Congress does nothing, automatic benefit cuts averaging about 28% (roughly $2.7 trillion) would be required from 2032–2036, and Medicare would face incremental reductions as spending grows faster than income. The slowdown is tied to the 2025 One Big Beautiful Bill Act and related tax-policy changes, signaling a need for policy action to avert substantial benefit reductions.
Dive Deeper:
The CBO updates project the Social Security retirement trust fund would exhaust its reserves in 2032, shifting earlier from the prior 2033 forecast, driven by higher expected inflation that increases annual cost‑of‑living adjustments.
Tax revenue into the Social Security trust fund is projected to be lower due to recent tax law changes that exclude some income from taxation, while earnings growth concentrates more at higher incomes, reducing taxable wages as a share of GDP.
The agency notes some revenue offset from higher taxes on Social Security benefits, since benefits taxation rises as more taxpayers cross inflation-adjusted thresholds, but this does not fully compensate for the shortfall.
If no congressional action occurs, payroll and self-employment taxes would fund benefits only up to a point, requiring an average 28% benefit reduction and totaling about $2.7 trillion in reductions from 2032 through 2036.
Medicare Part A insolvency is now projected for 2040, eight years earlier than last year’s estimate, with spending rising faster than previously anticipated, threatening automatic benefit reductions if Congress does not intervene.
The 2025 One Big Beautiful Bill Act is cited as a major accelerant, reducing trust fund income via a $6,000 senior tax deduction and contributing to lower payroll tax revenue from diminished taxable earnings.
Separately, the CBO estimates that Medicare reductions would grow from 8% in 2040 to 10% by 2056, underscoring a widening gap between program costs and funding that could pressure beneficiaries and program solvency.