What Is the Tier 3 Michigan Standard Deduction?

The Tier 3 Michigan standard deduction lets taxpayers born after 1952 who have reached age 67 subtract up to $20,000 from all income on a single return, or $40,000 on a joint return. The amount you actually keep is smaller than that headline. Michigan requires you to reduce the deduction by your personal exemption ($5,900 for the 2026 tax year), and by any deduction you claim for military, railroad, or National Guard retirement pay. A 2025 law change does make the math better than before: for tax years 2026 through 2028, your Social Security deduction no longer reduces the standard deduction.

Who Counts as a Tier 3 Taxpayer

Michigan sorts retirees into three tiers by birth year. Tier 1 covers taxpayers born before 1946, Tier 2 covers 1946 through 1952, and Tier 3 covers anyone born after 1952.¹ On a joint return, the older spouse’s birth year sets your tier.

Being Tier 3 alone doesn’t unlock the standard deduction. You also have to have reached age 67. Until then, Social Security is exempt, but pensions, IRA distributions, and 401(k) withdrawals get no special Michigan treatment. Once you turn 67, two options open: the Michigan Standard Deduction against all income, or the retirement and pension subtraction limited to qualified retirement income. You pick one.

For the 2026 tax year, anyone born in 1959 or earlier who turned 67 by December 31, 2026 qualifies. Turning 67 partway through the year still gives you the full deduction for that tax year.

How Much You Actually Deduct in 2026

The statutory numbers are $20,000 single and $40,000 joint.² Neither is what you write on your return. Tier 3 taxpayers must reduce the standard deduction by certain other subtractions they claim.

The Personal Exemption Comes Off First

Every Michigan taxpayer gets a personal exemption, set at $5,900 for 2026.³ For Tier 3 filers claiming the standard deduction, that exemption cuts the deduction dollar-for-dollar. A single filer’s effective standard deduction is $20,000 minus $5,900, or $14,100. A joint return’s effective amount depends on how many personal exemptions apply.

Military, Railroad, and National Guard Deductions Come Off Too

If you claim a deduction for Armed Forces retirement pay, federal Railroad Retirement Act benefits, or Michigan National Guard retirement benefits, those amounts also reduce the standard deduction.⁴ A single filer deducting $12,000 in military retirement pay would see the standard deduction fall to $20,000 minus $5,900 minus $12,000, leaving $2,100. Taxpayers with substantial military or railroad benefits often find the standard deduction adds little.

Social Security No Longer Offsets the Deduction Through 2028

This is the biggest recent change for Tier 3 filers. Before 2026, you had to reduce the standard deduction by the amount of your Social Security deduction, which could erase most of the benefit. Public Act 24 of 2025 removed that offset for tax years 2026 through 2028.⁵ You now claim your full Social Security deduction and still get the standard deduction, reduced only by the personal exemption and any military, railroad, or National Guard amounts.

A quick example. A single Tier 3 filer age 73 with $12,000 in Social Security, $5,000 in pension income, and $23,000 in wages has $40,000 of total income. Under the old rule, the standard deduction would have been $20,000 minus $5,900 minus $12,000, or just $2,100. Under the new rule, that filer claims a $12,000 Social Security deduction and a $14,100 standard deduction, for combined subtractions of $26,100.⁶ At Michigan’s 4.25% rate, the difference is real money.

The change sunsets after 2028. For tax year 2029 and beyond, the old offset rule returns unless the legislature extends PA 24.

Standard Deduction or Retirement Subtraction: You Pick One

Once you reach 67, you compare the standard deduction against the retirement and pension subtraction and claim whichever lowers your taxable income more. You cannot claim both.

The retirement subtraction applies only to qualified retirement income (distributions reported on Form 1099-R, including defined benefit pensions, IRA distributions, and payments from most 401(k) plans), but the dollar cap is much higher.⁷ For 2026, the Lowering MI Costs Plan phase-in reaches 100%, so Tier 3 filers can deduct retirement income up to the full inflation-adjusted maximum.² For the 2025 tax year, that cap was $65,897 single and $131,794 joint; the 2026 figure will be slightly higher after the annual CPI adjustment.⁴

Also new for 2026: public pensions (state, federal, or local government retirement systems) share the same dollar cap as private pensions.² Before this year, Tier 1 public-pension income had no cap.

How to think about the choice:

The standard deduction (effectively $14,100 for a single filer in 2026 after the personal exemption) applies against any income: wages, self-employment, rental, investment. It wins when your retirement income is modest and most of your income comes from other sources.
The retirement subtraction wins decisively when you have large pension or IRA distributions. A single filer with $50,000 in pension income can deduct the full $50,000, versus $14,100 under the standard deduction. At 4.25%, that’s roughly $1,525 more in tax savings.
Moderate income from both sides is the trap. Run both calculations rather than assuming the higher cap wins; the standard deduction’s ability to shelter non-retirement income can tip the balance.

A Few Situations Worth Flagging

Surviving spouses. If your spouse died and you filed a joint return in the year of death that included a retirement or Social Security subtraction, you may keep claiming a retirement deduction based on the deceased spouse’s birth year, as long as you have not remarried.⁸ If that spouse was older and would have qualified for Tier 1 or Tier 2 treatment, you can use their tier’s rules. A surviving spouse who has reached 67 may elect the greater of the standard deduction or the retirement subtraction based on the deceased spouse’s birth year, but cannot stack the deceased spouse’s standard deduction on top of their own.

Retirees from government jobs not covered by Social Security. These taxpayers may qualify for an additional deduction of up to $15,000 per qualifying spouse, even if born after 1958, provided they retired by a specific statutory date.⁹ The provision recognizes that these retirees have no Social Security income to deduct.

Military and railroad retirees. Armed Forces pay and federal Railroad Retirement benefits are exempt under a separate provision, and claiming those exemptions reduces your standard deduction dollar-for-dollar.¹ The retirement subtraction doesn’t stack on top of the military exemption either, so the standard-deduction-versus-retirement-subtraction choice still matters if you have other retirement income.

Filing It on Your Michigan Return

Start with Form 4884, the Michigan Pension Schedule. It walks you through both calculations based on your birth year and filing status and identifies the larger benefit. Enter the standard deduction amount on Schedule 1 (Additions and Subtractions), line 26, or the retirement subtraction on line 27, whichever you’ve elected.¹⁰ Attach Form 4884 and Schedule 1 to your MI-1040. At the state’s flat 4.25% rate, every dollar of subtraction reduces your Michigan tax by about four cents.³

Keep all your 1099-R forms, including the distribution codes in box 7. If Treasury questions a subtraction, you’ll need to show each distribution came from a qualifying source. Taxpayers who claim an ineligible distribution face the repayment plus a late-payment penalty of 5% per month on the underpaid tax, up to 25%.¹¹

1
Michigan Legislature. 2023 Public Act 4
2
Michigan Legislature. Michigan Compiled Laws Section 206.30
3
State of Michigan. 2026 Michigan Income Tax Withholding Guide
4
State of Michigan. Revenue Administrative Bulletin 2026-1
5
Michigan Legislature. 2025 Public Act 24
6
Department of Treasury. Notice Regarding Social Security Taxation Changes in Public Act 24 of 2025
7
State of Michigan. Retirement and Pension Benefits
8
State of Michigan. Surviving Spouse
9
Michigan Legislature. Bill Analysis S.B. 1 (2023-2024) – Limit on Retirement Income Deduction; Modify
10
Michigan Legislature. Taxpayer Guide
11
State of Michigan. Calculate Late Penalty and Interest