Are Pension Death Benefits Taxable to Beneficiaries?

Yes, pension death benefits are generally taxable to beneficiaries. Distributions from an inherited traditional pension, 401(k), 403(b), or traditional IRA are treated as ordinary income in the year the beneficiary receives them, because the original account holder never paid income tax on the contributions or their growth. Inherited Roth accounts are the main exception, and any after-tax contributions the deceased made come back tax-free. How much tax you actually pay depends on the type of account, your relationship to the person who died, and how quickly you have to withdraw the money.

Why the Tax Follows the Money

Traditional pensions and retirement accounts hold pre-tax dollars. Contributions went in before income tax was applied, and earnings grew tax-deferred for years or decades. When the account owner dies, that deferral doesn’t disappear. The IRS treats these funds as income in respect of a decedent (IRD): income the deceased was entitled to but never paid tax on. The beneficiary steps into that obligation.¹

Retirement accounts also don’t get the cost basis step-up that other inherited assets receive. A house or a taxable brokerage account gets its basis reset to fair market value on the date of death, which reduces or eliminates capital gains when the heir sells. The tax code specifically excludes IRD property from that treatment, so the full pre-tax value of an inherited retirement account stays taxable.²

What’s Taxable and What Isn’t

Traditional Pre-Tax Accounts

Distributions from traditional pensions, 401(k)s, 403(b)s, and traditional IRAs are fully taxable as ordinary income in the year received.³ Every dollar withdrawn gets added to your gross income and taxed at your marginal rate. A large lump sum can push you into a higher bracket than you’re used to, especially if the account has to be emptied in a compressed timeframe.

After-Tax Contributions in a Traditional Plan

Some older employer pensions and certain 401(k) plans allowed after-tax contributions. Those contributions were already taxed once, so they come back to the beneficiary tax-free. When the benefit is paid as an annuity, the plan applies an exclusion ratio that splits each payment into a taxable portion and a tax-free return of basis. The ratio is fixed when payments begin and stays consistent over the life of the payments.

Roth Accounts

Inherited Roth IRAs and Roth 401(k)s are the best tax outcome. Because the original owner funded them with after-tax dollars, distributions of both contributions and earnings are generally tax-free. The one condition is a five-year holding period, measured from the beginning of the tax year in which the original owner made their first contribution or conversion.⁴ If the account is younger than five years, the original contributions still come out tax-free, but earnings are taxable.

Roth accounts still have to be distributed on the same timelines as traditional accounts. The distributions just don’t generate a tax bill when the five-year rule is satisfied.⁴

How Timing Controls the Tax

The amount you owe in any given year depends heavily on the distribution rules that apply to you. Those rules differ sharply between surviving spouses and everyone else.

Surviving Spouses Have the Most Options

A surviving spouse can roll inherited funds into their own IRA or qualified plan through a direct trustee-to-trustee transfer. Once that happens, the spouse owns the account. Required minimum distributions don’t start until the spouse reaches their own RMD age, currently 73, and the spouse can name new beneficiaries.⁵ No other beneficiary can do this.

The trade-off is the 10% early withdrawal penalty. Once the spouse treats the account as their own, withdrawals before age 59½ trigger that penalty. A younger surviving spouse who may need the money soon can instead keep the account titled as an inherited IRA, which is exempt from the 10% penalty at any age.⁶ If the deceased died before their required beginning date, the spouse keeping an inherited IRA doesn’t have to start distributions until the year the deceased would have reached RMD age.⁵ Spouses can also switch strategies: start with an inherited IRA for penalty-free access, then roll into their own IRA after turning 59½.

For a pension paid as either a lump sum or a survivor annuity, the lump sum is fully taxable in the year received unless it’s rolled directly into an IRA or qualified plan. An annuity spreads the tax over the years or decades of payments, which is often the lower-tax path for a spouse who doesn’t need the money at once.

Non-Spouse Beneficiaries and the 10-Year Rule

The SECURE Act of 2019 ended the old stretch strategy for most non-spouse beneficiaries. For deaths on or after January 1, 2020, the entire inherited account must be distributed by December 31 of the tenth calendar year after the year of death.⁴

Within that window, timing is flexible. You can take a little each year, wait until year ten, or anything in between. But there’s a wrinkle the IRS didn’t finalize until 2024: if the original owner died on or after their required beginning date (meaning they had already started or were required to start RMDs), you must also take annual minimum distributions in years one through nine, on top of emptying the account by year ten.⁷ If the owner died before their required beginning date, no annual distributions are required during the 10-year period. Determining which side of that line the deceased was on is one of the first things any beneficiary should do.

Eligible Designated Beneficiaries

A narrow category of non-spouse beneficiaries can still stretch distributions over their own life expectancy instead of using the 10-year rule. The IRS calls them eligible designated beneficiaries:⁴

Minor children of the account owner, but only until they reach age 21. Once they turn 21, the 10-year clock starts on the remaining balance.
Disabled individuals meeting the definition under Section 72(m)(7), which requires an impairment expected to be of long, indefinite duration or to result in death.
Chronically ill individuals with physician certification of inability to perform daily living activities or a similar qualifying condition.
Individuals not more than 10 years younger than the deceased, which typically covers siblings close in age or older friends.

Eligible designated beneficiaries calculate their annual required distribution using their single life expectancy, recalculated each year. For a young disabled beneficiary, the stretch can last decades and produce a far lower annual tax bill than the 10-year timeline.

Trusts and Estates

Naming a trust or estate as beneficiary tightens the rules. A trust can qualify as a see-through trust and be treated as if the individual trust beneficiaries inherited the account directly, which preserves access to the 10-year rule or eligible designated beneficiary treatment. If the trust doesn’t qualify, or if the estate itself is named, and the owner died before their required beginning date, the whole account generally must be distributed within five years.⁴

Withholding and Reporting

Every taxable distribution generates a Form 1099-R from the plan custodian. Box 1 shows the gross distribution, Box 2a shows the taxable amount, and Box 7 carries a distribution code; death benefit distributions use Code 4.⁸ You report the income on your Form 1040.

Withholding depends on the source. Inherited IRA distributions have a default 10% federal withholding rate, and you can adjust or waive it using Form W-4R.⁹ Distributions from employer-sponsored qualified plans that qualify as eligible rollover distributions face a mandatory 20% withholding rate that can’t be waived. The only way to avoid the 20% is to arrange a direct trustee-to-trustee rollover from the start.¹⁰ A surviving spouse who takes a distribution check instead of a direct rollover then has 60 days to deposit the full amount, including replacing the 20% that was withheld from other funds, into a qualifying account. Miss the 60 days and the whole distribution is taxable.

If you elect low or no withholding and take a large distribution, quarterly estimated tax payments may be necessary to avoid underpayment penalties at filing.

Penalties for Missing a Required Distribution

Fail to take a required distribution on time and the IRS charges a 25% excise tax on the shortfall. SECURE Act 2.0 reduced this from the old 50% rate.¹¹ If you correct the miss within two years by withdrawing the correct amount and filing the appropriate excise tax form, the penalty drops to 10%. This penalty applies both to missed annual RMDs during the 10-year window and to failing to empty the account by the year-ten deadline.

Relief When Estate Tax Also Applied

If the inherited account was large enough to be hit with federal estate tax, the beneficiary can face tax twice: estate tax on the account value, then income tax on withdrawals. Section 691(c) provides a partial fix through the IRD deduction.¹ The beneficiary deducts the portion of federal estate tax attributable to the retirement account’s inclusion in the gross estate, claimed on the income tax return for the same year the IRD is reported.¹² The calculation is proportional to the account’s share of the estate’s IRD items. It won’t erase the double tax, but for large estates it can meaningfully lower the effective rate.

Ways to Reduce the Tax Bill

The flexibility built into the 10-year rule is the main planning lever. Instead of waiting until year ten and taking one enormous taxable distribution, spread withdrawals across the window to keep yourself in a lower bracket. Low-income years, whether from a job change, partial retirement, or a gap, are natural times to pull more from the inherited account at a lower marginal rate.

If you inherit a 401(k) that holds appreciated employer stock, ask about net unrealized appreciation. You can transfer the employer stock out of the plan into a regular taxable brokerage account and pay ordinary income tax only on its original cost basis inside the plan. When you eventually sell the stock, the appreciation is taxed at long-term capital gains rates rather than ordinary income rates. The math doesn’t favor every situation, but for heavily appreciated employer stock, the savings can be substantial.

Roth conversions on your own accounts are another consideration. A beneficiary can’t convert an inherited traditional IRA to a Roth, but if inherited distributions raise your income, you can coordinate that with the timing of any Roth conversions on your own traditional funds so the total tax cost across both remains manageable.

1
Office of the Law Revision Counsel. 26 USC 691 – Recipients of Income in Respect of Decedents
2
Office of the Law Revision Counsel. 26 US Code 1014 – Basis of Property Acquired From a Decedent
3
Office of the Law Revision Counsel. 26 USC 402 – Taxability of Beneficiary of Employees Trust
4
Internal Revenue Service. Retirement Topics – Beneficiary
5
Internal Revenue Service. Required Minimum Distributions for IRA Beneficiaries
6
Internal Revenue Service. Retirement Topics – Exceptions to Tax on Early Distributions
7
Internal Revenue Service. Notice 2024-35 – Certain Required Minimum Distributions for 2024
8
Internal Revenue Service. Instructions for Forms 1099-R and 5498
9
Internal Revenue Service. Publication 590-B – Distributions From Individual Retirement Arrangements
10
Office of the Law Revision Counsel. 26 USC 3405 – Special Rules for Pensions, Annuities, and Certain Other Deferred Income
11
Internal Revenue Service. Retirement Plan and IRA Required Minimum Distributions FAQs
12
Internal Revenue Service. Revenue Ruling 2005-30