Inherited IRA Rules in 2026: The 10-Year Rule Explained

Inheriting an IRA sounds like a windfall until the tax bill arrives. Since the SECURE Act took effect for deaths after December 31, 2019, most non-spouse beneficiaries can no longer stretch withdrawals over their own lifetime. Instead, they must empty the inherited account by December 31 of the tenth year after the original owner’s death. The IRS finalized the details in July 2024, and 2026 is the second full year that the enforcement rules bite. Missing a required withdrawal can trigger a 25% excise tax on the shortfall, reduced to 10% only if you correct it quickly.

This guide explains the 10-year rule in plain terms, shows exactly when you owe annual required minimum distributions (RMDs) along the way, identifies the beneficiaries who are exempt, and walks through the math with a worked example.

What the 10-Year Rule Actually Says

Under the SECURE Act, codified at IRC section 401(a)(9)(H), a designated beneficiary who is not an eligible designated beneficiary must fully distribute the inherited account within ten years. The clock starts the year after the original owner’s death. The year of death is year zero. The entire remaining balance must be out by December 31 of the tenth year.

The 10-year rule covers traditional IRAs, Roth IRAs, and inherited 401(k) and 403(b) plans rolled into inherited IRAs. It does not apply to eligible designated beneficiaries, who keep the older stretch options. There is no penalty for early withdrawal from an inherited IRA regardless of your age, because the 10% early-distribution penalty under IRC section 72(t) does not apply to beneficiary distributions.

The Critical Split: Death Before or After the RBD

The single most important question is whether the original owner had reached their Required Beginning Date (RBD) when they died. The RBD is April 1 of the year after the owner turns 73. This split decides whether you owe annual withdrawals in years one through nine, or only the final deadline in year ten.

Who Is Exempt: Eligible Designated Beneficiaries

Five categories of beneficiary keep the older, more favorable stretch rules and are exempt from the 10-year deadline. If you fall into one of these groups, you can generally spread withdrawals over your life expectancy.

• Surviving spouse. May roll the IRA into their own, treating it as their own account and restarting RMDs from their own RBD.
• Minor child of the deceased. Only the decedent’s own minor child qualifies, and only until age 21, when the 10-year clock begins.
• Disabled individual. Meets the Social Security disability standard.
• Chronically ill individual. Meets the standard under IRC section 7702B(c)(2).
• A beneficiary not more than 10 years younger than the owner. Often a sibling or a much older child.

Everyone else — adult children, grandchildren, friends, and most trusts — is a designated beneficiary subject to the 10-year rule.

How to Calculate Your Annual RMD

When annual withdrawals are required, the math uses your own life expectancy and the “subtract one” method. Start with your Single Life Table factor from IRS Publication 590-B for your age in the first distribution year, then subtract one each year. Do not re-look-up the table in later years.

1. Find your Single Life Table factor for the first distribution year.
2. Divide the prior December 31 account balance by that factor to get year-one RMD.
3. Subtract 1.0 from the factor to get the next year’s divisor.
4. Repeat each year through year nine.
5. In year ten, take that year’s RMD plus the entire remaining balance.

Here is a worked example. A son inherits a $400,000 traditional IRA in 2024 at age 55, and the owner had already passed their RBD. His age-55 factor is 31.6, so his 2024 RMD is $12,658. In 2025 the factor drops to 30.6, in 2026 to 29.6. If the balance on December 31, 2025 was $395,000, his 2026 RMD is $395,000 divided by 29.6, or $13,345. He must empty the account by December 31, 2033.

Strategies to Reduce the Tax Bite

Once the account is yours, the goal is to spread the taxable income across the years when it hurts least. A few moves reliably lower the lifetime tax.

• Fill low-income years. If you have a gap year, low business income, or retire before claiming Social Security, take larger distributions then.
• Withdraw in kind, not just in cash. Distributing securities and holding them can convert ordinary income into future capital gains treatment.
• Use Roth conversions carefully. You cannot convert an inherited IRA itself, but you can offset distributions by funding other Roth space.
• Coordinate with Social Security timing. Large IRA distributions can make more of your Social Security taxable and raise Medicare IRMAA surcharges.
• Name the right beneficiary on your own accounts. Keeping the chain clean prevents a second 10-year squeeze for your heirs.

Mistakes That Trigger Penalties

Two errors are common and expensive. First, beneficiaries who inherited from an owner who died after the RBD often assume they can wait until year ten, but the IRS requires annual RMDs from 2025 onward. Second, some beneficiaries fail to establish separate accounts by the deadline, which forces the shortest life expectancy across all beneficiaries onto everyone.

The missed-RMD excise tax is 25% of the shortfall. It drops to 10% if you withdraw the missing amount and file the correction within two years. There is no hardship waiver. If you are unsure whether you owe an annual RMD, the safest move is to take a conservative distribution and document your reasoning.

How a Death Benefit Interacts with the Rules

Life insurance proceeds are generally income-tax free and are not subject to the 10-year rule, but they may be pulled into the taxable estate if you owned the policy on yourself. Comparing how an IRA and a life insurance death benefit are taxed is worth doing as part of estate planning, especially when a large IRA would otherwise force heirs into a high bracket.

Frequently Asked Questions

Do I have to take an RMD from an inherited IRA in 2026?

It depends on the original owner’s age at death. If they died on or after their Required Beginning Date, you must take annual RMDs in years one through nine and empty the account by year ten. If they died before their RBD, or the account is a Roth IRA, you owe no annual RMD and only the year-ten deadline applies.

What is the Required Beginning Date in 2026?

It is April 1 of the year after the owner turns 73 if they were born from 1951 through 1959, and age 75 if born in 1960 or later. This matters because it decides whether your inherited account is subject to annual RMDs.

What is the penalty for missing an inherited IRA RMD?

The excise tax is 25% of the amount you should have withdrawn but did not. It drops to 10% if you correct the shortfall within two years. SECURE 2.0 cut the penalty from the older 50% rate.

Can I stretch an inherited IRA over my lifetime?

Only if you are an eligible designated beneficiary, such as a surviving spouse, a minor child of the deceased, a disabled or chronically ill beneficiary, or someone not more than 10 years younger than the owner. Everyone else faces the 10-year rule.

Does the 10-year rule apply to a Roth IRA I inherited?

Yes. But because a Roth owner is always treated as dying before the RBD, no annual RMDs are required in years one through nine. Distributions are tax-free if the original five-year clock had elapsed.

What happens if I do not empty the account by year ten?

The remaining balance is treated as distributed to you as ordinary income that year, which can push you into the top bracket, and the 25% excise tax applies on top. There is no extension for hardship.

Related Resources

• IRS: Required Minimum Distributions — official RMD rules and tables.
• IRS Publication 590-B — the Single Life Table used for inherited IRA math.
• Social Security Administration — how taxable income interacts with benefits.

To plan the rest of the picture, see our explainers on the stepped-up basis for inherited assets and how a federal inheritance tax could affect what your heirs keep. Families comparing retirement vehicles also read life insurance vs. an IRA and life insurance vs. a Roth IRA.

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