Lump-Sum Inherited IRA Distributions Trigger Higher Tax Brackets

A beneficiary earning $60,000 who takes a $230,000 lump-sum distribution from an inherited IRA faces a combined taxable income of $290,000. This pushes the beneficiary into a higher federal income tax bracket than they normally occupy. The distribution is added to the beneficiary's annual taxable income, and the combined income pushes them into the 32% or 35% range for the portion of the income above $105,700 under 2026 brackets for a single filer.

Custodians often apply a default 10% withholding on these distributions, which reflects a baseline election rather than a calculation of the taxpayer's actual marginal rate. Because the withholding is not a proxy for tax owed, the beneficiary owes more in federal taxes than the custodian withholds.

Taking the entire balance in a single year can cost a beneficiary $40,000 or more in federal taxes compared to spreading distributions over the 10-year rule established by the SECURE Act of 2019. The SECURE Act eliminated the stretch IRA for most non-spouse beneficiaries, replacing it with a 10-year rule that requires the entire balance be distributed by the end of the 10th year after the original owner's death.