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Widows with large 401(k)s may face higher taxes and Medicare premiums
Crossing the $109,000 single-filer threshold in 2026 can trigger at least $1,148 in added Medicare premiums in 2028 due to IRMAA’s two-year lookback.
Yahoo Finance highlights how some surviving spouses with sizable retirement savings can see unexpectedly higher taxes after a spouse dies, even when investment balances are stable or income declines. The outlet notes that the filing-status change can move survivors from the 12% bracket to the 22% bracket and that the standard deduction can effectively be cut in half the January after the death.
The article points to Medicare’s IRMAA surcharge as another key pressure point. Because IRMAA uses a two-year income lookback, it says that exceeding the $109,000 threshold for single filers in 2026 can lead to at least $1,148 in added 2028 premiums.
As an example, the story describes a 72-year-old widow with about a $1.6 million traditional 401(k) and a Social Security survivor benefit of roughly $1,926 per month, noting the account size aligns with a commonly cited $1.6 million target. However, it emphasizes that reaching this “magic number” does not shield survivors from the filing-status penalty.
Yahoo Finance also outlines potential planning steps for the final joint-filing year, including converting up to $60,000 to Roth and using qualified charitable distributions, as ways to help reduce bracket creep and IRMAA-related costs for surviving spouses.