Trump’s Big Beautiful Bill Could Accelerate Social Security’s 22% Benefit Cut. How Soon?

Smaller tax bills for some beneficiaries mean less money flowing back into the trust funds, and the chief actuary has attached both a date and a dollar amount to the effect.

According to the 2026 Social Security and Medicare Boards of Trustees report, Social Security’s retirement trust fund can pay full benefits only through the fourth quarter of 2032. That is one quarter earlier than projected in the 2025 report.

After that point, incoming revenue would be enough to cover about 78% of scheduled retirement benefits, which translates to an across-the-board reduction of roughly 22%.

Although a single quarter may not sound significant, the Social Security Administration’s chief actuary had already estimated that one part of the One Big Beautiful Bill Act, enacted in July 2025, would by itself move the retirement fund’s depletion date by that amount.

How a tax break affects the trust fund

The law created a temporary additional deduction for taxpayers over 65. It also made certain lower income tax rates and a larger standard deduction permanent.

Because part of the income tax collected on Social Security benefits is returned to the trust funds, lower taxable income means less money flows back in.

The trustees stated it directly: The retirement and disability trust funds “will receive lower levels of revenue in the future from income taxation of Social Security benefits.”

A letter from the chief actuary dated Aug. 5, 2025, quantified the impact. From 2025 through 2034, the law increases program costs by a net $168.6 billion.

The retirement fund’s exhaustion date shifted from the first quarter of 2033 to the fourth quarter of 2032, and the program’s 75-year shortfall widened from 3.82% of taxable payroll, meaning wages subject to Social Security tax, to 3.98%.

One factor among several

The trustees identified the law as one of three major reasons the long-term outlook worsened.

A breakdown from the Committee for a Responsible Federal Budget shows the relative impact of each factor. The 75-year deficit rose from 3.82% to 4.42% of payroll. Lower fertility assumptions explain 0.35 percentage points of the decline, while lower immigration accounts for 0.21.

The law contributes 0.16 percentage points, or about a quarter of the total deterioration. Stronger economic assumptions offset 0.10 percentage points.

The combined retirement and disability trust funds are still projected to run dry in the third quarter of 2034, unchanged from last year’s estimate. In that scenario, revenues would cover 83% of scheduled benefits. The disability fund by itself is not projected to be exhausted.

What a 22% cut would mean

For a $2,000 monthly retirement benefit, a 22% cut would amount to $440 a month, or $5,280 a year. That is only an example, not a prediction of any individual’s benefit. The projection assumes Congress makes no changes, and lawmakers have adjusted Social Security’s finances before as deadlines approached.

A cut applied to every benefit also weakens the idea of claiming early to get ahead of it. Filing before full retirement age, which is 67 for anyone born in 1960 or later, can trigger earnings limits for people still working and permanently lowers the base amount from which any cut would be taken.

Planning while Congress can still change course

The benefit estimates in a my Social Security account assume full payment. Building a budget around 78% of that amount shows how much financial cushion a household has. That is especially important for people whose plans were based on average life expectancy rather than a longer one, since a cut would last for the rest of their lives.

Savers with about $100,000 or more in investable assets who want a second opinion on how a 78% scenario could affect withdrawals can be matched with a financial advisor through Advisor.com.

The trustees will revise the projections in their next annual report. Until then, 78% remains the figure their calculations use.