How Inheritance Tax Works: Estate Tax, Exemptions and Who Actually Pays

The short answer: most estates never pay a cent#

Few taxes are as feared — or as misunderstood — as the inheritance tax. In the United States, the reality is that the federal estate tax touches almost no one: the exemption sits in the millions of dollars per person, so only a tiny fraction of estates owe anything at all. For the vast majority of families, passing on a home, some savings and investments happens with no federal death tax whatsoever.

The confusion comes from two things. The phrase "inheritance tax" is used loosely for several different taxes, and a handful of states add their own rules on top of the federal one. Once you separate an estate tax (paid by the estate) from an inheritance tax (paid by the heir), and see how high the federal exemption sits, the whole subject becomes far less frightening than its reputation.

This guide explains how it actually works: the crucial estate-versus-inheritance distinction, the federal exemption and 40% top rate, the step-up in basis that quietly wipes out capital gains, the gift tax, the states with their own death taxes, and how Canada handles it in a completely different way. As always, this is general education, not tax or legal advice, and the thresholds change — check the current figures before you plan.

• The federal exemption is huge — most estates owe nothing.
• Estate tax is not inheritance tax — one is paid by the estate, the other by the heir.
• Step-up in basis — inherited assets reset their cost basis, erasing past gains.
• A few states add their own — where you live can matter more than the federal rule.

Estate tax versus inheritance tax#

These two terms get mixed up constantly, but the difference is simple and important. An estate tax is charged on the total value of everything a person leaves behind, and it is paid by the estate itself before anything is distributed; the heirs receive what is left after the estate settles the bill. The US federal death tax is an estate tax.

An inheritance tax works the other way around: it is paid by each heir on what they personally receive, and the rate often depends on how closely related they were to the person who died. The federal government does not levy an inheritance tax at all — only a small number of states do. Knowing which one applies tells you who writes the check and how the amount is worked out. The Wikipedia overview of US estate tax lays out the distinction in detail.

The federal estate tax and its exemption#

The federal estate tax only applies to estates worth more than a very high threshold — an exemption set in the millions of dollars per person. Because of that ceiling, it is effectively a tax on large fortunes, not on ordinary inheritances. Everything below the exemption passes tax-free; only the amount above it is taxed, at rates that climb to a top of 40%.

Two features make it even more generous for married couples. Anything left to a US-citizen spouse passes entirely tax-free under the unlimited marital deduction, and portability lets a surviving spouse add their late partner’s unused exemption to their own — effectively doubling what a couple can shield. The IRS estate-tax pages hold the current figures, which are set by law and adjusted over time. The practical upshot: unless an estate runs well into eight figures, the federal estate tax simply never comes up.

Step-up in basis: the quiet break#

One of the most valuable rules in the whole system is easy to miss: the step-up in basis. When you inherit an asset — shares, a house, a fund — its cost basis is reset to the market value on the date of death. All the capital gain that built up during the previous owner’s lifetime simply disappears for tax purposes.

The effect is large. If a parent bought stock decades ago for $20,000 and it is worth $200,000 at death, an heir who sells it soon after owes capital gains tax only on growth above that $200,000 — the $180,000 of lifetime gain is wiped out, not merely deferred. It is the mirror image of the capital gains tax that applies to assets you buy and sell yourself, and it is why inherited investments are often far more tax-friendly than they first appear.

Gift tax: giving it away early#

You cannot dodge the estate tax simply by giving everything away before you die — that is exactly what the gift tax exists to prevent. Large lifetime gifts count against the same combined exemption as your estate. But there is a generous carve-out: each year you can give up to the annual exclusion amount to as many people as you like, and those gifts do not count against your lifetime exemption at all.

For most families this means you can pass meaningful money to children or grandchildren year after year, entirely tax-free, without any of it touching the estate-tax math. Gifts to a spouse, and direct payments of someone’s medical or tuition bills, are also exempt. Used steadily, the annual exclusion is a simple, legal way to move wealth down a generation — one piece of the broader planning covered in estate planning basics.

State death taxes: where you live matters#

The federal rule is only half the picture. A minority of states levy their own estate tax, and a few charge an inheritance tax paid by the heirs — sometimes with much lower exemptions than the federal one, so an estate that owes nothing federally can still face a state bill. A couple of states even have both kinds.

Which state’s rules apply generally depends on where the deceased lived and where any real estate sits. This is why two identical estates can be taxed very differently: location can matter more than the size of the estate. If you live in, or own property in, a state with its own death tax, it is worth checking the local thresholds, because they are often far below the federal exemption and catch ordinary families the federal tax never would.

Canada: no inheritance tax, but a deemed disposition#

Canada is often said to have "no death tax," and in a narrow sense that is true: there is no estate tax and no inheritance tax. But death is still a taxable event. Under the deemed disposition rule, a person is treated as having sold everything they owned at fair market value the moment before death, and the resulting capital gains are taxed on their final return — paid by the estate before heirs receive anything.

Several reliefs soften this. Assets left to a spouse or common-law partner can roll over tax-deferred, the principal residence exemption usually shelters the family home, and registered accounts follow their own rules. Provinces also charge probate or estate-administration fees. The Canada Revenue Agency guidance on a deceased person’s taxes sets out how the final return works. So while Canadians inherit free of any inheritance tax, the estate itself can face a real capital-gains bill.

How to reduce what your estate owes#

For the few estates large enough to face a real bill — and for anyone who just wants things simple — a handful of moves help. Giving within the annual exclusion each year shifts wealth out of the estate gradually and tax-free. Leaving assets to a spouse defers tax under the marital deduction or spousal rollover. And keeping good records of what assets cost matters, because the step-up in basis rewards heirs who can prove the date-of-death value.

Beyond that, larger estates use tools like trusts and life insurance to manage or fund the eventual tax, ideally with professional advice — this is where reducing your taxes shades into genuine estate planning. For most people, though, the honest answer is that no special manoeuvres are needed: the exemptions are high enough that a normal inheritance passes to the next generation untaxed.

Mistakes to avoid#

None of these are exotic. They are the ordinary misunderstandings that cause needless worry or a surprise bill, and each one is avoidable.

• Confusing estate and inheritance tax — they are paid by different people.
• Assuming you will owe federal estate tax — almost no one does.
• Forgetting state death taxes — some have far lower thresholds.
• Overlooking the step-up in basis — it can erase a lifetime of gains.
• Giving assets away clumsily — the annual exclusion has rules worth following.
• Ignoring the deceased’s records — proof of value protects the heirs.

The bottom line#

For almost everyone, the inheritance tax is a worry with little basis in reality. The federal estate tax reaches only the largest fortunes, the step-up in basis quietly hands heirs a valuable break, and the gift tax’s annual exclusion lets families pass money down every year tax-free. The details that matter most are usually at the state level, not the federal one.

So learn the difference between an estate tax and an inheritance tax, check whether your state adds its own, and keep records so heirs can claim the step-up. In Canada the mechanics differ — a deemed disposition rather than a death tax — but the lesson is the same: with a little understanding, passing wealth to the next generation is far less taxing, literally, than most people fear.