Free Guide to Understanding Estate Tax Basics

What Is Estate Tax and How Does It Work?

Estate tax is a federal tax that applies when someone passes away and leaves money, property, or other assets to their heirs. The government taxes the total value of the estate before it gets distributed to family members or beneficiaries. This is different from income tax or sales tax—it only happens when a person dies and their property transfers to others.

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The estate tax system has been part of U.S. tax law since 1916. The basic idea is that very large estates pay a percentage to the federal government. However, most estates in America do not owe federal estate tax because Congress set an exemption threshold. In 2024, this threshold is $13.61 million per person. This means that only estates worth more than $13.61 million are subject to federal estate tax.

When someone dies, their estate includes all property they owned at that time. This includes houses, bank accounts, investments, retirement accounts, life insurance, vehicles, artwork, and business interests. The executor or personal representative of the estate must calculate the total fair market value of everything owned. Then, if the estate value exceeds the exemption threshold, federal estate tax is owed on the amount above that threshold.

It is important to understand that the exemption amount changes periodically. Congress passed legislation that set current exemption levels through 2025. After that year, the exemption is scheduled to decrease significantly unless new laws are passed. Individual states also have their own estate tax rules, and some states have much lower exemption thresholds than the federal government.

The tax rate on taxable estates is 40 percent for federal estate tax. So if an estate is worth $14.61 million, only the $1 million amount above the exemption would be taxed, and the tax owed would be $400,000. Different states may charge different rates if they also have estate taxes.

Practical Takeaway: Understanding whether your estate might owe estate tax starts with knowing the current exemption threshold and your approximate net worth. Most American families do not have estates large enough to trigger federal estate tax, but reviewing your specific situation with a financial advisor or tax professional is valuable planning.

The Difference Between Federal and State Estate Taxes

While federal estate tax applies across the country, individual states maintain their own estate tax systems. This creates a complex situation where someone's heirs might owe taxes to both the federal government and their state. Understanding these differences is important for anyone with significant assets or property in multiple states.

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Currently, seventeen states plus the District of Columbia have estate tax laws. These states are Connecticut, Delaware, Illinois, Iowa, Maine, Maryland, Massachusetts, Minnesota, New York, North Carolina, Ohio, Oregon, Rhode Island, Tennessee, Vermont, Washington, and Wyoming. Each of these states sets its own exemption threshold and tax rates. For example, Oregon's state estate tax exemption is $1 million, which is much lower than the federal exemption. This means Oregon residents with estates worth $1 million to $13.61 million might owe Oregon state tax but not federal tax.

Some states that do not charge estate tax instead charge an inheritance tax. This is a different type of tax that is paid by the people who receive the money, not by the estate itself. Six states have inheritance tax: Iowa, Kentucky, Maryland, New Jersey, Pennsylvania, and Tennessee. The tax rate and exemptions vary based on the relationship between the deceased and the heir. Spouses and children often pay lower rates or no tax, while distant relatives or unrelated people pay higher rates.

The difference between living in an estate tax state versus a non-estate tax state can be substantial. Someone with a $5 million estate in Washington state might owe state estate tax, while someone with the same estate in a neighboring state with no estate tax would not. This is one reason why some wealthy individuals consider where they live when planning their finances.

Another important distinction involves the "step-up in basis" rule. When someone dies, their assets receive a step-up in basis, meaning the value is adjusted to what it was worth on the date of death. This can reduce capital gains taxes for heirs. However, not all assets receive this benefit equally, and understanding how this works requires looking at the specific type of asset.

Practical Takeaway: If you live in or own property in a state with an estate tax, research that state's specific rules and thresholds. The combination of federal and state taxes can significantly impact what heirs receive, so knowing your state's rules is an essential part of financial planning.

Who Pays Estate Tax and Common Misconceptions

A widespread misunderstanding about estate tax is that all families must pay it. In reality, the vast majority of American estates fall below the exemption threshold and owe no federal estate tax. According to the IRS, fewer than 0.1 percent of estates owe federal estate tax in most years. This means that out of roughly 2.8 million people who die annually in the United States, only a few thousand estates actually pay federal estate tax to the government.

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The estates that do pay estate tax tend to include valuable real estate, family businesses, investment portfolios, or life insurance proceeds. For example, if someone owns a successful business worth $8 million, a home worth $2 million, and has investments worth $4 million, their total estate would be $14 million. The $400,000 above the exemption threshold would be subject to the 40 percent estate tax rate.

A common misconception is that estate tax applies to retirement accounts or life insurance. While these assets are included in the total estate value used to calculate whether tax is owed, they can sometimes be structured to pass to heirs outside the estate tax system through beneficiary designations. This is why understanding the different ways assets transfer matters for planning.

Another false belief is that owing estate tax means the heirs cannot receive any inheritance. Estate tax is paid from the estate's resources before distribution, but typically substantial assets still pass to heirs after taxes are paid. For example, a $20 million estate that owes $2.56 million in federal estate tax still leaves approximately $17.44 million for heirs to receive.

Some people worry that having a will automatically subjects them to estate tax. A will does not trigger estate tax—only the total value of the estate does. Wealthy individuals who use wills, trusts, or other planning structures must still account for estate tax if their assets exceed exemption limits, but these tools can sometimes help reduce the amount owed.

Practical Takeaway: Do not assume your estate will owe tax without calculating your actual net worth. Most families can focus on other estate planning priorities. However, those with significant assets should understand how much estate tax might apply and explore whether any planning strategies could reduce the burden on heirs.

How the Estate Tax Exemption Works and When It Changes

The estate tax exemption is the amount of wealth that can pass to heirs without owing federal estate tax. This exemption is not a fixed number—it changes based on legislation passed by Congress. Understanding how the exemption works and knowing that it can change is important for anyone with substantial assets.

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Each person receives an individual exemption. In 2024, each person can leave up to $13.61 million without owing federal estate tax. A married couple, therefore, can leave up to $27.22 million combined because each spouse receives their own exemption. This is called the "portability" of the exemption, and it allows spouses to combine their exemptions for planning purposes. However, to use portability, proper paperwork must be filed with the IRS when the first spouse dies.

The exemption amount has changed significantly over time. In 2001, the exemption was only $675,000 per person. Congress gradually increased it over the following years. In 2011, it rose to $5 million. Then in 2017, new legislation increased it to $10 million and indexed it for inflation each year. This is why the amount keeps changing slightly—it adjusts to account for inflation.

The current high exemption expires on December 31, 2025. Unless Congress passes new legislation, the exemption will drop back down to approximately $7 million per person (adjusted for inflation) beginning January 1, 2026. This scheduled decrease is sometimes called the "sunset" provision. Many estate planning professionals recommend that wealthy clients review their plans before the end of 2025 to understand how this change might affect them.

The exemption can also be used during a person's lifetime through