Most people learn about the 10-year rule at the worst possible time — standing in a financial advisor’s office while still processing grief, being told they have a deadline they didn’t know existed and options they don’t understand yet. I’ve talked to people who took every dollar out in year one because they panicked, then got hit with a tax bill that cost them 30–40% of the inheritance. That’s avoidable. Completely avoidable, with even a basic plan.
Here’s what the 10-year rule actually means, what it costs you under different withdrawal strategies, and how to make a smart decision about $180,000 that most people spend the first six months handling wrong.
In my 30 years as a Warning Coordination Meteorologist, one thing I learned about risk is that the decisions you make in the first hours of a developing storm matter most — and the same is true here. You have more time than you think, but the window for your best strategic moves is shorter than it looks.
What the 10-Year Rule Actually Means
The SECURE Act, signed into law at the end of 2019, eliminated the "stretch IRA" strategy that had allowed non-spouse beneficiaries to spread inherited IRA withdrawals over their own life expectancy — sometimes 30 or 40 years. Gone. For deaths on or after January 1, 2020, most non-spouse beneficiaries must withdraw the entire inherited IRA balance by December 31 of the 10th year following the year of the original owner’s death.
That’s the rule in plain terms: you have 10 years. Not 10 years with annual minimums (necessarily — more on that in a moment), but 10 years to empty the account completely.
A few groups can still use the old stretch rules — these are called "Eligible Designated Beneficiaries":
- A surviving spouse
- A minor child of the account owner (until they reach the age of majority — then the 10-year clock starts)
- A disabled or chronically ill individual (as defined by the IRS)
- Someone who is not more than 10 years younger than the deceased account owner
If you’re an adult child who inherited a parent’s IRA, you’re almost certainly in the 10-year camp. That’s most people reading this.
The Annual RMD Question Inside the 10-Year Window
This is where it gets complicated, and where a lot of people get conflicting advice. Whether you’re required to take annual Required Minimum Distributions (RMDs) within the 10-year period depends on whether your parent had already started taking their own RMDs before they died.
If the original account owner died before their Required Beginning Date (generally April 1 of the year after they turned 73): No annual RMDs required. You can take nothing for 9 years and empty the account in year 10 if you choose. Total flexibility.
If the original account owner had already started RMDs (died at or after their Required Beginning Date): The IRS has proposed regulations — still subject to change — suggesting you must take annual RMDs during years 1–9 and clear the remaining balance in year 10. This has been controversial and the IRS waived penalties on missed RMDs through several years while it sorted out the rules.
Verify this with your tax advisor or CPA before making decisions — the regulations around this specific point have shifted and may continue to shift. The 10-year full-depletion rule is settled; the annual-RMD-within question is still in flux. Check current IRS guidance at IRS.gov before relying on any specific rule.
The Tax Math on $180,000 — Strategy Matters Enormously
Inherited traditional IRA distributions are ordinary income. Every dollar you take out gets added to your regular income for the year and taxed at your marginal rate. This is the number most people don’t think about until they file their return.
Three strategies, dramatically different outcomes on $180,000:
Strategy A — Take it all in year one: You add $180,000 to your regular income. If you normally earn $65,000, your total income for the year becomes $245,000. In the 24% federal bracket, you’re paying 24% on much of that inherited money. Worst case, you get pushed into the 32% bracket on the upper end. You might pay $45,000–$55,000 in federal taxes alone on the inheritance — and that’s before state income tax, which applies in most states.
Strategy B — Even withdrawals over 10 years: $18,000/year added to your regular income. At a $65,000 base salary, you’d hit roughly $83,000 total income — staying comfortably in the 22% bracket throughout. Total federal tax on the inherited IRA distributions: roughly $28,000–$30,000 over the decade. You’ve kept an extra $15,000–$25,000 compared to Strategy A, simply by spreading the withdrawals out.
Strategy C — Flexible, income-matched withdrawals: Take more in years when your income is lower (career transition, sabbatical, early semi-retirement), less in high-earning years. If you have a year at $45,000 in regular income, you can take $35,000 from the inherited IRA and still stay in the 22% bracket. If you have a year at $90,000, you take nothing or take a small amount and let the tax bracket do the work. This is the strategy that actually optimizes the outcome, but it requires planning ahead rather than reacting.
The difference between Strategy A and Strategy C on a $180,000 inheritance can easily be $20,000–$35,000 in tax savings. That’s real money. And it doesn’t require any sophisticated financial moves — just a spreadsheet and a CPA conversation.
What If It’s an Inherited Roth IRA?
Different rules, better outcome. The 10-year depletion rule still applies — you still must empty the account within 10 years of the original owner’s death. But distributions from an inherited Roth IRA are tax-free, provided the original Roth account was open for at least five years before the owner’s death.
This means an inherited Roth IRA is one of the most valuable things you can receive. You get a decade of continued tax-free growth on the balance, and you can take distributions as needed without any federal income tax consequence. The strategy here is usually to let it grow as long as possible and take a large lump sum in year 10 — all tax-free.
If your parent had a traditional IRA and you’re thinking about whether to convert it — that’s not an option for inherited IRAs. The conversion of an inherited traditional IRA to an inherited Roth is not permitted under current rules. That conversion option is for your own IRAs, not inherited ones.
The Medicare and Social Security Wrinkle
If you’re already in or approaching retirement yourself when you inherit the IRA, the income from distributions can create two additional complications worth knowing about.
First, large inherited IRA distributions can push your modified adjusted gross income (MAGI) above IRMAA thresholds, triggering Medicare Part B and Part D surcharges. Medicare IRMAA brackets use your income from two years prior — so a large distribution in one year shows up in your Medicare premiums two years later, often at a time when you’ve forgotten about it.
Second, if you’re taking Social Security benefits, inherited IRA distributions count toward your "provisional income" for determining how much of your Social Security is taxable. The timing of when you start Social Security interacts with how aggressively you draw down an inherited IRA — worth modeling both together if you’re within five years of starting benefits.
The Biggest Mistake to Avoid
Don’t roll an inherited IRA into your own IRA. If you’re not the spouse of the deceased, you cannot do this — and attempting it is a costly error. Rolling it into your own account is treated as a taxable distribution of the entire amount, triggering immediate income tax on the full balance. This mistake is irreversible once made.
The account must remain as an "inherited IRA" (sometimes called a "beneficiary IRA"), titled in a specific way: typically "[Original Owner Name], deceased, for the benefit of [Your Name], beneficiary." Your financial institution will know the format. Do not transfer the money to your personal checking account or your own IRA — open a separate inherited IRA account at the same institution or transfer it as a direct custodian-to-custodian transfer to an inherited IRA at a new institution.
What to Read if You’re Going Through This
The inherited IRA ruleset is genuinely complex, and a single article can only cover the framework. Ed Slott’s Retirement Savings Time Bomb is the standard reference — Slott is arguably the country’s leading expert on IRA rules and beneficiary strategies, and his books are written for people who need to make real decisions, not financial academics. For the tax side specifically, Retire Secure by James Lange covers the tax optimization of IRA distributions in detail, including the interplay with inherited accounts. And if you want a practical one-topic reference for getting the mechanics right, The New Retirement Savings Time Bomb is Slott’s updated post-SECURE Act edition.
What to Actually Do in the Next 30 Days
If you’ve recently inherited an IRA and haven’t taken any distributions yet, here’s the practical sequence:
- Open an inherited IRA account. Contact the financial institution holding the original IRA (or choose a new custodian) and open a properly titled inherited IRA. Fidelity, Vanguard, and Schwab all have clear inherited IRA processes. This preserves your options — money sitting in an inherited IRA is protected by the 10-year rule. Money that’s been distributed can’t go back in.
- Determine which 10-year rule variant applies to you. Find out whether the original owner had started RMDs before death. This determines whether you have annual RMD obligations or pure flexibility. Ask the original custodian or estate attorney.
- Model your withdrawal strategy with a CPA. Bring your typical annual income, expected income for the next 10 years, and the inherited IRA balance. A good tax advisor can map out the bracket impact of different withdrawal rates. Many charge a flat $200–$400 for a one-time planning session. Worth every dollar on a $180,000 account.
- Use an online RMD or tax bracket calculator to run the numbers yourself first. The IRS has a retirement plan calculator at IRS.gov, and Fidelity, Vanguard, and Schwab all offer free RMD estimators that can help you see the rough tax impact of different annual withdrawal amounts before your CPA meeting. Understanding how IRA rollovers and withdrawals work in the broader context will help that conversation go faster.
The 10-year window is actually more flexible than most people realize, but only if you treat it as a planning opportunity from the start. The people who come out ahead aren’t the ones who make some sophisticated financial move. They’re the ones who opened an inherited IRA, talked to a CPA in year one, and spread the distributions across low-income years. That’s it. The strategy isn’t complex — it just requires doing it deliberately rather than reactively.