How Do You Report Inherited IRA Distributions on Form 1040? (w/Examples) + FAQs

This article reflects federal rules and general state rules as of June 2026 and covers tax year 2025 (returns filed in 2026). Tax law changes often — confirm current figures with the IRS or a licensed professional before you file.

Quick Answer

You report inherited IRA distributions on Form 1040, line 4a (total) and line 4b (taxable amount), using the Form 1099-R your custodian sends. For a traditional inherited IRA, the full amount is usually taxable. For an inherited Roth IRA, qualified amounts are tax-free. This applies for tax year 2025.

When a parent, spouse, or other loved one dies and leaves you an IRA, the money does not just land in your bank account tax-free. Each dollar you pull out of a traditional inherited IRA counts as ordinary income, and it lands on the same two lines of your Form 1040 that all IRA withdrawals use — but the rules behind those lines changed in 2025, and a wrong move can trigger a 25% penalty.

Roughly one in three American households owns an IRA, according to the Investment Company Institute, which means inherited IRAs pass to heirs every day. Beginning in tax year 2025, many non-spouse heirs must take a yearly required withdrawal and empty the account within ten years, so getting the reporting right matters more than ever.

Here is what you will learn:

• 🧾 Exactly which lines of Form 1040 hold your inherited IRA money, and how to split the total from the taxable part.
• 📊 How a traditional inherited IRA, an inherited Roth IRA, and a trust-owned IRA each report differently.
• 🔢 Fully worked dollar examples you can copy for your own return.
• ⚠️ The seven costliest mistakes that trigger penalties or IRS letters.
• 🛟 How to fix a missed required withdrawal and ask the IRS to waive the 25% penalty using Form 5329.

What an Inherited IRA Actually Is

An inherited IRA is a retirement account you receive as a beneficiary after the original owner dies. It keeps its tax character — a traditional IRA stays pre-tax, and a Roth IRA stays after-tax — but it follows a separate set of withdrawal rules from an IRA you fund yourself.

The key point is that you, the beneficiary, generally cannot treat a non-spouse inherited IRA as your own. You cannot add money to it, and you cannot roll it into your personal IRA. You can only take distributions and, in many cases, you must take them on a schedule the law sets.

The reason this matters for Form 1040 is simple: the IRS taxes the withdrawals, not the inheritance itself. The act of inheriting an IRA is not a taxable event. Pulling money out of a traditional inherited IRA is. That single distinction drives everything on your tax return.

The Key Players and Forms

Several parties and documents connect to make inherited IRA reporting work, and knowing each role keeps you from missing a step.

• The IRA custodian (your bank or brokerage) holds the account and issues the Form 1099-R each January showing what you withdrew.
• The IRS sets the distribution rules in Publication 590-B and matches your 1099-R against your Form 1040.
• Form 1040 is your individual return, where lines 4a and 4b carry IRA income.
• Form 8606 tracks any after-tax “basis” so you are not taxed twice on money already taxed.
• Form 5329 reports — and can waive — the penalty for a missed required withdrawal.

The consequence of ignoring any one of these is real. Skip the 1099-R, and the IRS computer flags a mismatch and mails you a CP2000 notice with a proposed bill. The fix is to report every 1099-R you receive, even the ones you think are tax-free.

Which Situation Applies to You?

The answer to “how do I report this?” depends on who you are to the person who died. Find your category below, then read the matching example later in the article. This is the single most important branch in the whole topic.

• Surviving spouse: You have the most options. You can roll the IRA into your own IRA, treat it as your own, or keep it as an inherited IRA. Your choice changes both the tax timing and the form codes.
• Eligible designated beneficiary (EDB): This includes minor children of the owner, disabled or chronically ill people, and beneficiaries less than ten years younger than the owner. You can stretch withdrawals over your life expectancy.
• Non-eligible designated beneficiary (NEDB): Most adult children and other individuals fall here. You are subject to the 10-year rule, and for deaths in 2020 or later where the owner had already begun RMDs, you must also take annual withdrawals starting in 2025, per the IRS final regulations.
• Non-individual beneficiary (trust or estate): The distribution is reported to the entity, which may pass income to you on a Schedule K-1 (Form 1041) instead of a personal 1099-R.

The consequence of guessing wrong is steep. An NEDB who assumes the old “stretch” rule still applies can skip a required withdrawal and face a 25% penalty on the amount that should have come out. The fix is to confirm your category in writing with the custodian before your first withdrawal.

How Inherited IRA Distributions Land on Form 1040

The mechanics are the same for almost every individual beneficiary. The 1099-R drives two lines, and one box on the form tells you whether it is an IRA or a workplace plan.

For an inherited IRA, you use line 4a and line 4b of Form 1040. Line 4a is the total distribution. Line 4b is the taxable amount. If the IRA box (the box just to the right of line 7 on the 1099-R) is checked, the income belongs on line 4, not line 5.

For an inherited workplace plan like a 401(k) annuitized into an inherited account, the income instead lands on line 5a (total) and line 5b (taxable). Read the 1099-R instructions to confirm which type you hold, because putting IRA money on the pension line is a common e-file rejection.

Reading Box 7 on the 1099-R

Box 7 holds a distribution code that tells the IRS — and your software — what kind of withdrawal this was. For an inherited account, the code is almost always “4,” meaning “death.”

Code 4 is your friend. It signals that the distribution is not an early-withdrawal, so you owe no 10% early-distribution penalty even if you are under age 59½. The inheritance exception protects you. The consequence of overlooking this is paying a penalty you do not owe; the fix is to verify Box 7 reads “4” and to enter that code exactly into your tax software.

A common misconception is that a code “4” distribution is automatically tax-free. It is not. The code only removes the early-withdrawal penalty — the income tax on a traditional inherited IRA still applies in full.

Line 4a vs. Line 4b — The Critical Split

Line 4a is what came out. Line 4b is what you pay tax on. For a typical traditional inherited IRA with no after-tax basis, the two lines are identical.

The split matters when there is basis or a Roth involved. If the deceased made nondeductible contributions, part of the withdrawal is a tax-free return of basis, so line 4b is smaller than line 4a. The reason is that money already taxed once should not be taxed again.

The consequence of writing the full amount on both lines when basis exists is overpaying tax — sometimes by hundreds or thousands of dollars. The fix is to file Form 8606 to calculate the nontaxable portion, then carry the taxable result to line 4b.

Traditional vs. Roth Inherited IRA Reporting

The type of IRA you inherited changes how much of line 4a flows to line 4b. The table below shows the federal treatment for tax year 2025.

Account Feature	How It Hits Your Tax Return
Traditional inherited IRA, no basis	Full amount taxable — line 4a equals line 4b
Traditional inherited IRA with nondeductible basis	Partly tax-free — line 4b is reduced, Form 8606 required
Inherited Roth IRA, account open 5+ years	Generally tax-free — appears on line 4a, line 4b is $0
Inherited Roth IRA, under the 5-year mark	Earnings may be taxable — Form 8606 Part III sorts out basis vs. earnings

A traditional inherited IRA is the simplest case: nearly every dollar is ordinary income. An inherited Roth IRA is usually the happiest case, because qualified distributions are completely tax-free, yet you still report the total on line 4a.

The misconception here is that a tax-free Roth distribution does not need to appear on the return. It does. The fix is to enter the 1099-R, show the total on line 4a, and let line 4b read $0 for a qualified Roth.

Worked Examples With Real Dollars

Numbers make this concrete. Each example uses tax year 2025 figures and walks the math step by step.

Example 1 — Maria, Non-Spouse Traditional IRA (10-Year Rule)

Maria, age 45, inherited her father’s $200,000 traditional IRA after he died in 2023 at age 78. Because her father had already started RMDs and Maria is a non-eligible designated beneficiary, she must take annual RMDs and empty the account by the end of 2033.

Her 2025 RMD, based on her single life expectancy factor, is $5,500. She withdraws exactly that. Her custodian sends a 1099-R showing $5,500 in Box 1 (gross), $5,500 in Box 2a (taxable), and code “4” in Box 7.

On her Form 1040, Maria enters $5,500 on line 4a and $5,500 on line 4b. The full amount is ordinary income. At a 22% marginal rate, she owes about $1,210 in federal tax on this withdrawal — and zero early-withdrawal penalty because of code “4.”

Example 2 — David, Surviving Spouse Rollover

David, age 62, inherited his late wife’s $300,000 traditional IRA in 2025. As a spouse, he chooses to roll it into his own IRA, which delays withdrawals until his own RMD age of 73.

He takes no distribution in 2025, so he has nothing on lines 4a or 4b for this account. If the custodian had cut him a check first, he would have 60 days to redeposit it; a direct trustee-to-trustee transfer avoids any 1099-R reporting headache.

Had David instead withdrawn $20,000 in 2025, he would report $20,000 on line 4a and $20,000 on line 4b, adding $20,000 of ordinary income to his return.

Example 3 — Aisha, Inherited Roth IRA

Aisha, age 38, inherited her aunt’s Roth IRA worth $80,000 in 2025. The account was opened in 2012, so the 5-year rule is long satisfied, and all distributions are qualified.

Aisha withdraws $10,000 in 2025. Her 1099-R shows $10,000 in Box 1 and code “Q” or “T” in Box 7. She enters $10,000 on line 4a and $0 on line 4b — the withdrawal is completely tax-free.

She still must empty the Roth by the end of 2035 under the 10-year rule, but because Roth withdrawals are tax-free, she has no annual RMD requirement during those years.

The 2025 Rule Change Every Heir Must Know

This is the part that catches people off guard. Starting in tax year 2025, the IRS final regulations require many non-spouse heirs to take an annual withdrawal during the 10-year window — not just empty the account by year ten.

This applies if you are a non-eligible designated beneficiary and the person you inherited from had already reached their required beginning date for RMDs before they died. If both are true, you must take a yearly RMD in 2025 and each year through year nine, then drain the rest by year ten.

The consequence of missing a 2025 RMD is a 25% excise tax on the shortfall, as reported by CNBC. The penalty drops to 10% if you fix it within a two-year correction window. The fix is to calculate your RMD now and withdraw it before December 31 each year.

A widespread misconception is that the 10-year rule lets you wait until year ten to touch the money. For this group of heirs, that is wrong, and waiting could cost thousands in penalties. Confirm your required amount with your custodian early each year.

Fixing a Missed RMD With Form 5329

If you already missed a required withdrawal, do not panic — the IRS built in a forgiveness path. You can request a waiver of the penalty, and it is often granted.

Here is the correct order of steps, drawn from the Form 5329 instructions:

1. Take the missed distribution now, even though it is late.
2. Complete Form 5329 for the tax year you missed, reporting the RMD that should have come out and the amount you have now taken.
3. Enter “RC” (reasonable cause) and the dollar amount you want waived next to the line for the additional tax.
4. Attach a short statement explaining what happened — illness, a custodian error, or confusion about the new rule — and that you have fixed the shortfall.

You do not pay the 25% penalty when you file the waiver request, per guidance from Wolters Kluwer. The IRS reviews the request and, in most reasonable-cause cases, waives the tax. The consequence of doing nothing is owing the full 25% with interest, so always file the form.

Trusts, Estates, and Schedule K-1

Not every inherited IRA reports on a personal 1099-R. When a trust or estate is the named beneficiary, the entity receives the distribution first.

If the trust or estate then passes that income out to you, the beneficiary, you receive a Schedule K-1 (Form 1041) instead of a 1099-R. The K-1 reports your share of the income, which you carry to Schedule B and Schedule 1 of your Form 1040, not line 4.

The consequence of mishandling this is double trouble: trusts hit the top 37% federal bracket at only about $15,650 of retained income for 2025, so income trapped in the trust is taxed far more harshly than income passed to you. The fix is to coordinate with the trustee and an estate attorney to decide whether income should be distributed or retained.

Federal vs. State Tax on Inherited IRA Distributions

Federal law is only half the picture. Your state may tax the same distribution, follow the federal amount, or exempt it entirely.

Most states that levy an income tax start from your federal adjusted gross income, so the taxable amount on line 4b usually flows through to your state return automatically. But several states give retirement income a break, and a handful do not tax it at all.

State Situation	What Happens to Your Inherited IRA Income
No-income-tax states (e.g., Florida, Texas, Nevada)	No state tax on the distribution at all
States with retirement-income exclusions (e.g., Illinois, Pennsylvania)	Distribution may be fully or partly exempt from state tax
States conforming to federal AGI (e.g., California, New York)	Taxable amount generally flows through and is taxed

Illinois, for example, does not tax most retirement income, so a beneficiary there may owe federal tax but no state tax, per the Illinois Department of Revenue. California, by contrast, taxes the distribution as ordinary income. Never assume your state follows the federal rule — check your state agency’s retirement-income page before you file.

There is also a separate issue: state inheritance tax. A few states, such as Pennsylvania and Nebraska, impose an inheritance tax on assets passing to certain heirs, which can apply to an inherited IRA’s value at death. This is distinct from income tax on withdrawals, and only an estate attorney in your state can confirm whether it applies.

Mistakes to Avoid

Each of these errors carries a real cost. Watch for them before you file.

• Leaving a 1099-R off your return. The IRS matches every form; an omission triggers a CP2000 notice and a proposed bill plus interest.
• Putting IRA income on line 5 instead of line 4. This causes e-file rejections and misreports the income type.
• Writing the full amount on line 4b when basis exists. You overpay tax on money the deceased already paid tax on.
• Skipping the 2025 annual RMD as an NEDB. This triggers the 25% excise tax on the missed amount.
• Treating a tax-free Roth distribution as “no need to report.” The total still belongs on line 4a, even when line 4b is $0.
• Rolling a non-spouse inherited IRA into your own IRA. This is not allowed and is treated as a full taxable distribution of the whole account.
• Missing the 60-day window on a spousal rollover. A late redeposit becomes a taxable distribution, and large balances can spike your bracket.

Do’s and Don’ts

Short rules that keep you out of trouble.

Do’s

• Do report every 1099-R you receive, because the IRS already has a copy.
• Do verify Box 7 shows code “4” so you avoid the early-withdrawal penalty you do not owe.
• Do file Form 8606 when any basis exists, so you are not taxed twice.
• Do calculate your annual RMD early each year, because the December 31 deadline is firm.
• Do use direct trustee-to-trustee transfers, since they avoid accidental taxable events.

Don’ts

• Don’t assume the 10-year rule lets you wait until year ten, because many heirs owe annual RMDs now.
• Don’t combine an inherited IRA with your personal IRA, as it collapses the tax-deferral.
• Don’t ignore your state return, because conformity rules vary widely.
• Don’t guess your beneficiary category, since the wrong one leads to wrong withdrawals.
• Don’t pay the 25% penalty before requesting a waiver, because reasonable-cause relief is common.

Pros and Cons of Inherited IRA Distribution Choices

Your withdrawal timing involves trade-offs. Here is the balance.

Pros

• Spreading withdrawals over ten years can keep you in a lower bracket each year.
• A spousal rollover lets you delay taxes until your own RMD age, maximizing growth.
• Inherited Roth distributions come out tax-free when qualified, a major advantage.
• The death code “4” waives the 10% early-withdrawal penalty regardless of your age.
• Reasonable-cause waivers make a missed RMD fixable without paying the penalty.

Cons

• The 10-year rule forces full payout, removing the old lifetime “stretch.”
• Large lump-sum withdrawals can push you into a higher bracket and raise Medicare premiums.
• Annual RMDs for many heirs add a yearly compliance task with a 25% penalty for slips.
• Trust-held IRAs face compressed, high tax brackets if income is retained.
• State taxes and inheritance taxes can add cost that federal planning alone misses.

What to Do Next

Take these steps in order so nothing slips through the cracks.

1. Identify your beneficiary category — spouse, EDB, NEDB, or trust/estate — in writing with your custodian.
2. Gather your Form 1099-R for the year and confirm Box 1, Box 2a, the IRA box, and Box 7.
3. Calculate any required 2025 RMD if you are an NEDB whose decedent had begun RMDs, and withdraw it before December 31.
4. Enter the total on line 4a and the taxable amount on line 4b of your Form 1040; file Form 8606 if basis applies.
5. File Form 5329 with a reasonable-cause statement if you missed an RMD.
6. Call a CPA or tax attorney when a trust is involved, the balance is large, or you face a missed-RMD penalty — that help typically costs a few hundred to a few thousand dollars and can save far more.

This article is educational and not a substitute for advice from a licensed tax or estate professional for your specific situation.

Frequently Asked Questions

Where do I report an inherited IRA on Form 1040?

Lines 4a and 4b. Enter the total distribution on line 4a and the taxable amount on line 4b, using the Form 1099-R from your custodian for tax year 2025.

Is an inherited IRA distribution taxable?

Usually yes for traditional IRAs. Withdrawals from an inherited traditional IRA are ordinary income. Inherited Roth IRA distributions are generally tax-free if the account met the five-year rule.

Do I pay the 10% early-withdrawal penalty on an inherited IRA?

No. Distributions due to death use code “4” in Box 7 of the 1099-R, which exempts you from the 10% early-withdrawal penalty regardless of your age.

What is the 25% penalty on inherited IRAs in 2025?

It is the excise tax for a missed required minimum distribution. Beginning in 2025, many non-spouse heirs must take annual RMDs; missing one triggers a 25% tax on the shortfall, reducible to 10% if corrected.

Do I report an inherited Roth IRA distribution if it is tax-free?

Yes. Enter the total on line 4a even when the distribution is fully qualified and tax-free, leaving line 4b at $0. The IRS still expects the 1099-R reported.

What form reports my inherited IRA withdrawal to me?

Form 1099-R. Your custodian issues it each January. If a trust or estate is the beneficiary, you may instead receive a Schedule K-1 from Form 1041.

Can a spouse roll an inherited IRA into their own IRA?

Yes. A surviving spouse may roll the account into their own IRA or treat it as their own, which delays required withdrawals until their own RMD age of 73.

Can a non-spouse roll an inherited IRA into their own IRA?

No. Non-spouse beneficiaries cannot roll an inherited IRA into a personal IRA. Doing so is treated as a full taxable distribution of the entire account.

How do I fix a missed inherited IRA RMD?

Take the missed amount, then file Form 5329. Enter “RC” and the amount to be waived, and attach a reasonable-cause statement. Do not prepay the penalty before the IRS rules.

Does my state tax inherited IRA distributions?

It depends on your state. No-income-tax states impose nothing, some states exclude retirement income, and conforming states like California tax the federal taxable amount. Check your state agency before filing.

When must I empty an inherited IRA?

Within ten years for most non-spouse heirs. The account must be fully distributed by December 31 of the tenth year after the owner’s death, under the SECURE Act 10-year rule.

Where does inherited IRA income from a trust go on my return?

On Schedule B and Schedule 1, via Schedule K-1. When a trust distributes IRA income to you, it flows from the Schedule K-1 (Form 1041), not Form 1040 line 4.