Updated October 5, 2026. Quick answer: No. Mississippi has no estate tax for a person who dies in 2026. The Mississippi Department of Revenue says that as of January 1, 2005, “no estate tax return is required for decedents dying” on or after that date. The federal exclusion is $15,000,000 for 2026.
Naming a beneficiary on a brokerage account or a vehicle title is covered here: transfer-on-death registration in Mississippi.
Inheriting from, or planning for, someone in this state? Whether the state has an inheritance tax, from its own tax documents: Does Mississippi have an inheritance tax?.
Making a gift or planning an estate? The state’s gift tax answer, from its own tax documents: Does Mississippi have a gift tax?.
Mississippi estate tax at a glance
| Item | What the documents say |
|---|---|
| State estate tax | None |
| Why | The federal state death tax credit was replaced with a deduction for deaths after 2004 |
| State estate tax return | None required for decedents dying on or after January 1, 2005 |
| State inheritance tax | None: the Department says Mississippi has no inheritance tax or gift tax |
| Federal estate tax basic exclusion amount, 2026 | $15,000,000 |
| Source | Mississippi Department of Revenue; IRS Revenue Procedure 2025-32 |
Why Mississippi has no estate tax
The Department’s estate page explains: for decedents dying after 2004, “the state death tax credit is replaced with a deduction” for state death taxes.
Does Mississippi have an inheritance tax?
The same page states that “Mississippi does not have an inheritance tax nor a gift tax”.
CMG’s inheritance tax by state page covers the beneficiary side.
What applies to a Mississippi estate instead
Federal estate tax is separate. Revenue Procedure 2025-32 says the One Big Beautiful Bill Act, section 70106, increased the “basic exclusion amount to $15,000,000 for calendar year 2026”.
An estate of $3,000,000 in Mississippi owes $0 of state estate tax, and $3,000,000 is below the federal $15,000,000.
Probate: Mississippi probate cost. Retirement accounts: how Mississippi taxes 401(k) and IRA withdrawals.
What the documents do not say
- The Department’s page is the only Mississippi document read; no statute or legislative source was archived.
Common mistakes
- Expecting a Mississippi gift tax or inheritance tax filing alongside the federal return; the Department says the state has neither.
- Assuming the state answer settles the federal one, or the answer for property held in another state.
Related: estate tax by state, inheritance tax by state, and probate cost by state.
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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
Sources: the primary documents linked above, read on October 5, 2026. General information, not tax advice. Your own facts decide the outcome, and an estate attorney, a tax preparer or the state agency itself is the right place to confirm anything consequential.