Updated October 5, 2026. Quick answer: No. Mississippi has no inheritance tax for a death in 2026. The Mississippi Department of Revenue says “Mississippi does not have an inheritance tax nor a gift tax.”
Mississippi inheritance tax at a glance
| Item | What the documents say |
|---|---|
| State inheritance tax | None |
| What the documents say | The Department of Revenue says Mississippi does not have an inheritance tax nor a gift tax |
| State estate tax | None: the Department of Revenue says no estate tax return is required for decedents dying on or after January 1, 2005 |
| Source | Mississippi Department of Revenue; IRS Revenue Procedure 2025-32 |
What the Mississippi documents say
The Department of Revenue’s Estate page says, as of January 1, 2005, “no estate tax return is required for decedents dying on or after” January 1, 2005. It then states: “Mississippi does not have an inheritance tax nor a gift tax.”
What an heir in Mississippi still faces
The federal estate tax is paid by the estate, with a 2026 basic exclusion amount of “$15,000,000 for calendar year 2026”. Mississippi has no estate tax now: the Department says “no estate tax return is required for decedents dying on or after” January 1, 2005. CMG’s Mississippi estate tax page covers it.
An heir’s basis under 26 U.S.C. 1014(a) is generally the value at “the date of the decedent’s death”. Inherited retirement money is an income tax question: see Mississippi 401(k) and IRA withdrawals and the inherited IRA RMD calculator.
How current the Mississippi documents are
Read on October 5, 2026: ESTATE (Mississippi Department of Revenue, dated 2026).
What the documents do not say
- The Department’s page gives no repeal year for an inheritance tax; it says only that Mississippi does not have one.
Common mistakes
- Filing a Mississippi estate tax return for a recent death; the Department says none is required for decedents dying on or after January 1, 2005.
Related: inheritance tax by state, Mississippi estate tax, Mississippi probate cost, and how Mississippi taxes 401(k) and IRA withdrawals.
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Answer againSources
- ESTATE: https://www.dor.ms.gov/business/estate
- Revenue Procedure 2025-32 (Internal Revenue Service): https://www.irs.gov/pub/irs-drop/rp-25-32.pdf
- 26 U.S.C. 1014 Basis of property acquired from a decedent (U.S. Code, 2023 edition, GovInfo): https://www.govinfo.gov/content/pkg/USCODE-2023-title26/html/USCODE-2023-title26-subtitleA-chap1-subchapO-partII-sec1014.htm
General information, not tax advice; the state agency or a tax professional can confirm anything consequential. Documents read October 5, 2026.