"A surviving spouse with a dependent child can file as a Qualifying Surviving Spouse for the two years after the year of death, keeping the wider married-filing-jointly brackets. Year three is when the cliff arrives. On the Bogleheads forum, a poster in the thread Widow tax trap noted that even after taxable income dropped by $14,000 in the first year filing single, the tax owed actually went up because the bracket math overwhelmed the income decline."
"For 2026, a single filer hits the 32% bracket at $201,776 and tops out of the 24% bracket at $201,775. A married couple, or a Qualifying Surviving Spouse, does not reach 32% until $403,551. The same $300,000 of taxable income that sat comfortably inside the 24% band as a couple now has roughly $98,000 spilling into the 32% bracket as a single filer."
"That is an eight percentage point surcharge on nearly $100,000 of income, and the cliff repeats every year for the rest of the survivor's life. The pressure compounds because other thresholds tighten in lockstep. The Medicare IRMAA surcharges, the Net Invest"
A surviving spouse can file as a Qualifying Surviving Spouse for two years after a spouse’s death, using wider married-filing-jointly tax brackets. In year three, filing status changes to single, and the bracket widths compress to nearly half. With roughly the same taxable income, more income falls into higher tax brackets, increasing the effective tax rate materially. At about $300,000 of taxable income, a single filer can see a large portion spill into the 32% bracket, while a qualifying surviving spouse would not reach that rate until much higher income. The tax cliff can repeat every year for the rest of the survivor’s life, and other thresholds can tighten alongside it.
Read at 24/7 Wall St.
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