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Question

What is the Illinois estate tax?

Answer

Illinois imposes a state-level estate tax on estates valued above $4 million. Unlike the federal estate tax, which has a 2026 exemption of $15 million per individual, Illinois’ exemption has not been adjusted for inflation since 2012. The tax is calculated on a graduated schedule with rates up to approximately 16%.

Related FAQs

Is a will or a trust better for reducing Illinois estate tax?

Where do I file an Illinois estate tax return?

Should I create a credit shelter trust to reduce Illinois estate tax?
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Last Updated Aug. 17, 2026
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