Retirement taxes by state
How Mississippi taxes retirement income in 2026
Mississippi has a flat 4% income tax. Here's how Mississippi treats Social Security, retirement-account withdrawals, pensions and Roth conversions in 2026 — and what that means in dollars: a retired couple, both 67, with $98,000 of income pays nothing in Mississippi income tax.
Updated October 2026 · 2026 tax year
Mississippi at a glance
- Flat 4% income tax.
- Social Security isn't taxed.
- 401(k)/403(b), IRA and Roth conversion income is fully exempt from age 59½.
- Pension income is fully exempt.
- Extra $1,500 deduction per person from age 65.
- Changes already passed into law for 2027, 2028, 2029, 2030 are included.
Mississippi retirement tax questions
Does Mississippi tax Social Security?
No. Social Security isn't taxed.
Does Mississippi tax 401(k) and IRA withdrawals?
Not from age 59½ — before then, yes. 401(k)/403(b), IRA and Roth conversion income is fully exempt from age 59½. Also: extra $1,500 deduction per person from age 65.
Does Mississippi tax pensions?
No. Pension income is fully exempt.
Does Mississippi tax Roth conversions?
Not from age 59½ — before then, yes. 401(k)/403(b), IRA and Roth conversion income is fully exempt from age 59½.
What is Mississippi's income tax rate in 2026?
Mississippi has a flat 4% income tax.
What retirees actually pay in Mississippi: three examples
Calculated with Retirology's tax engine under 2026 law, using each state's standard deduction, its retirement breaks and the 2026 federal rules for how much Social Security is taxable. That couple would owe nothing in Mississippi — one of 24 states (counting DC) where they'd pay $0.
| Household | Total income | Mississippi tax | Share |
|---|---|---|---|
| Retired couple, both 67 $48,000 of Social Security, $40,000 drawn from IRAs and 401(k)s, and $10,000 of qualified dividends | $98,000 | $0 | 0.0% |
| Single retiree, 70 $30,000 of Social Security, a $25,000 pension and $15,000 of IRA withdrawals | $70,000 | $0 | 0.0% |
| Early-retired couple, both 56, converting to Roth A $60,000 Roth conversion and $20,000 of long-term gains and qualified dividends, living on savings | $80,000 | $2,136 | 2.7% |
State income tax only — before local taxes, property tax relief and credits not listed above. Federal income tax is extra and the same in every state.
Mississippi income tax brackets (2026)
Rates apply to Mississippi taxable income, after the state's deductions and the retirement breaks above.
| Single | Rate | Married filing jointly | Rate |
|---|---|---|---|
| Up to $10,000 | 0% | Up to $10,000 | 0% |
| Over $10,000 | 4% | Over $10,000 | 4% |
Details and limits
Standard deduction and personal exemption combined. Retirement income is exempt (pensions on retirement, plan/IRA money from 59½). Rate falls to 3% by 2030 under HB 1 (2025).
Sources
Rates and rules for the 2026 tax year, from Retirology's state tax data (reviewed October 2026):
This page explains state tax rules in general terms. It isn't tax advice — check your state's official instructions or a tax professional for your situation.