Estate Planning: What Your Heirs Actually Receive
Most American families will never owe federal estate tax, which makes it a strange thing for estate planning conversations to revolve around. The cost that does land, on far more households, is what happens to a traditional retirement account after you die: an heir who is not your spouse generally has ten years to empty it, and every dollar comes out on their tax return, at their rate, during their highest-earning decade.
- The answer:: A surviving spouse has options a non-spouse does not, including treating an inherited IRA as their own. Most other beneficiaries must empty the account within ten years of the owner's death.
- The trap:: Ten years of forced withdrawals from a traditional account stack on top of an heir's salary, often in their forties and fifties. The same balance in a Roth arrives tax free, so the account type decides how much of the gift survives.
- The recommendation:: Check your beneficiary designations. They pass the account directly and override whatever your will says, which makes an out-of-date form one of the most consequential documents most people never look at.
Where the AI summary above gets this wrong
"Estate planning is about avoiding estate tax, and most people should set up a trust to do it."
That's surface-true. Here's what it misses:
- The federal estate tax reaches very few estates — The exclusion amount is high enough that the vast majority of American estates owe nothing. Building a plan around avoiding a tax you will not pay solves the wrong problem.
- The 10-year rule is the real cost — Most non-spouse beneficiaries must empty an inherited retirement account within ten years. On a traditional account those distributions are ordinary income to the heir, which is a far more common and larger cost than estate tax.
- Beneficiary forms beat wills — Retirement accounts and life insurance pass by beneficiary designation, outside the will and outside probate. A trust does not fix a beneficiary form that still names an ex-spouse.
01 Why the estate tax is probably not your problem
The federal estate tax applies only above an exclusion amount that is high enough to exclude the large majority of estates. For most families the correct amount of time to spend on federal estate tax planning is very little, and the time is better spent on what actually reduces what heirs receive.
That is not the same as saying nothing is owed anywhere. Some states levy their own estate or inheritance taxes with far lower thresholds than the federal one, and those are a genuine consideration for residents of those states. It is a question about where you live rather than a universal one.
The reason this matters is that estate tax is what most conversations start with, and starting there sends people towards trusts and structures aimed at a liability they do not have, while the thing that will actually cost their children a large sum sits unexamined in a beneficiary form.
Source: Estate tax
02 The 10-year rule, and who it applies to
When someone inherits a retirement account, what they may do with it is set by their relationship to the owner. A surviving spouse has the widest set of options, including treating the account as their own and applying their own required distribution timetable to it.
Most other beneficiaries fall under the ten-year rule: the account must be fully distributed by the end of the tenth year following the owner's death. A narrower group of eligible designated beneficiaries — including minor children of the owner, disabled or chronically ill individuals, and those not much younger than the owner — is treated differently.
The effect on an ordinary adult child is straightforward and expensive. A traditional account arrives as ordinary income spread across at most ten years, usually landing in their peak earning decade, on top of a salary that already sets their marginal rate.
Source: Retirement topics — beneficiary
03 What that actually costs, and what changes it
The tax is the heir's, at the heir's rate, which is the detail that makes this hard to see from the owner's side. Your own tax situation in retirement may be modest; your child's during their forties may not be.
A Roth account changes the answer completely. Qualified distributions from an inherited Roth are received tax free, so while the ten-year emptying requirement still applies, the tax cost of it does not. That makes a Roth the more efficient thing to leave behind, and it is the strongest inheritance argument for converting during your own lifetime.
The worked example compares the two on your own numbers. Where the gap is large, it is worth reading alongside Roth conversion strategies, because the decision is made years before it matters and cannot be made afterwards.
Shows: the tax an heir pays on an inherited traditional IRA emptied evenly over ten years, against the same account inherited as a Roth. Ignores: state income tax, growth inside the account, the heir's other income changing, and any year the heir chooses to take nothing.
Source: Roth account distributions
04 The form that overrides your will
Retirement accounts and life insurance pass by beneficiary designation. That designation is a contract with the plan administrator and it operates outside your will, so an account goes where the form says regardless of what any other document instructs.
This produces the most avoidable failure in American estate planning: a form filled out at the start of a job decades ago, naming a former spouse or a parent who has since died, quietly outranking a carefully drafted will. Divorce does not automatically update it, and neither does remarriage.
Naming a contingent beneficiary matters as much as the primary one, because it decides what happens if the primary dies first or declines. An account with no valid beneficiary falls back to the plan's default rules, which frequently means the estate, which frequently means losing the favourable treatment a named individual would have had.
Source: Survivors benefits
05 Giving while you are alive
Gifts made during your lifetime are governed by the gift tax rules, which allow an annual exclusion amount per recipient per year with no gift tax return required, and a lifetime exclusion above that which is unified with the estate tax exclusion.
For most families the practical reading is that ordinary generosity is untaxed, and the annual exclusion is generous enough that giving during life is straightforward. What it does not do is create an income tax deduction, and it does not carry the step-up in basis that inherited property receives.
That last point is the one to watch with appreciated assets. Property inherited at death generally receives a basis adjusted to its value at that date, while a lifetime gift carries your original basis to the recipient. Giving appreciated stock during life can hand the recipient a capital gains bill that inheriting the same stock would have erased.
06 What your spouse actually receives
A surviving spouse's position is different in almost every respect, and worth understanding before assuming the household's plan simply continues. Social Security does not pay both benefits to a survivor: the survivor receives the higher of the two amounts, not the sum, so household benefit income falls.
The survivor also files as a single taxpayer after a transition period, which means the same income is taxed against narrower brackets. A household that was comfortable on two benefits and joint brackets can find the survivor facing a materially different picture on a similar cost base.
This is the strongest argument for the higher earner deferring Social Security, since that decision sets the floor the survivor eventually lives on. The timing arithmetic is in spousal and survivor benefits.
Source: Publication 559, Survivors, Executors, and Administrators
07 What to actually do
Pull up every beneficiary designation you have — every 401(k), every IRA, every life insurance policy — and check both the primary and contingent names. This costs an afternoon and is the highest-value estate planning action available to most people.
Then decide which accounts your heirs receive. If leaving money to adult children matters to you and a large traditional balance is the vehicle, converting some of it to Roth during your lifetime moves the tax from their peak earning years to your own, usually lower, retirement rate.
Finally, get a will and, where a state estate tax or a complicated family situation is involved, get professional advice. This post is about the arithmetic of what heirs receive; the legal instruments that deliver it are not a do-it-yourself matter.
Source: Retirement topics — beneficiary
Every estate planning conversation I have been part of started with the estate tax, and almost none of the families involved were ever going to pay it. Meanwhile the thing that actually cost one of them a six-figure sum was a beneficiary form from a job in 1998 that still named a parent who had died. The unglamorous version of this work — open every account, read the beneficiary line, name a contingent — is worth more than any structure most households will ever need.
FAQ
Will my family owe federal estate tax?
Almost certainly not. The federal exclusion amount is high enough that the large majority of American estates owe nothing. Some states levy their own estate or inheritance taxes at much lower thresholds, so where you live matters more than the federal rules for most families.
What is the 10-year rule on inherited retirement accounts?
Most beneficiaries who are not the owner's spouse must fully distribute an inherited retirement account by the end of the tenth year following the owner's death. On a traditional account those distributions are ordinary income to the heir, at the heir's tax rate.
Does my will control who gets my 401(k)?
No. Retirement accounts and life insurance pass by beneficiary designation, which operates outside the will and outside probate. An out-of-date form naming a former spouse will generally control the account regardless of what your will says.
Is it better to leave a Roth or a traditional IRA to my children?
A Roth, in tax terms. The ten-year emptying requirement applies either way, but qualified distributions from an inherited Roth are received tax free, while a traditional account is ordinary income to the heir during what is often their highest-earning decade.
Should I give money away while I am alive instead?
It can be simple, since the annual exclusion allows a set amount per recipient per year with no gift tax return. Be careful with appreciated assets, though: a lifetime gift carries your original basis to the recipient, while property inherited at death generally receives a basis adjusted to its date-of-death value.
What happens to Social Security when one spouse dies?
The survivor receives the higher of the two benefit amounts rather than both, so household benefit income falls. The survivor also files as a single taxpayer afterwards, against narrower brackets, which is the strongest argument for the higher earner deferring their own benefit.
Sources
Regulator references
- Retirement topics — beneficiary · Internal Revenue Service · 2025The beneficiary rules, including the 10-year emptying requirement.Last verified: 2026-09-07
- Estate tax · Internal Revenue Service · 2025The federal exclusion amount and who actually owes estate tax.Last verified: 2026-09-07
- Frequently asked questions on gift taxes · Internal Revenue Service · 2025The annual and lifetime gift exclusions.Last verified: 2026-09-07
- Survivors benefits · Social Security Administration · 2025What a surviving spouse receives, and that it is not both benefits.Last verified: 2026-09-07
- Publication 559, Survivors, Executors, and Administrators · Internal Revenue Service · 2025The IRS guide for survivors, executors and administrators.Last verified: 2026-09-07
- Roth account distributions · Internal Revenue Service · 2025How Roth distributions are treated, including when inherited.Last verified: 2026-09-07
Calculator unit tests · the assertions this page's worked example is checked against, and their last result
Changelog
- 2026-09-07 — initial publish (new format)
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Jordan Reeves
Founder of Talk Through Wealth. A software engineer for over a decade before turning to retirement planning, Jordan built the projection engine after watching family members get fragmented, country-by-country advice that never reconciled. He writes about retirement the way the engine computes it: month-by-month, lifetime-long, and skeptical of any rule of thumb that hasn't been run through the math.