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For the 2026 tax year, Michigan withholding on ordinary employee pay uses a 4.25% individual income-tax rate after the personal and dependency exemption allowances reported on your Michigan withholding certificate. The state lists a $5,900 personal exemption amount for withholding. Your employer uses Form MI-W4—not the federal Form W-4—to apply your instructions. A separately paid bonus is generally withheld at 4.25% with no exemption adjustment. The amount withheld from a check is a prepayment credited against your eventual Michigan return, not a guarantee of your final tax bill.
Michigan withholding figures for 2026
Michigan’s individual income-tax rate for tax year 2026 is 4.25%. The Michigan Department of Treasury’s calendar-year withholding information lists a $5,900 personal exemption amount for withholding. These figures apply to the state withholding calculation described in the 2026 Michigan Income Tax Withholding Guide.
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| Item | 2026 amount or rule | What it affects |
|---|---|---|
| Individual income-tax rate | 4.25% | Regular employee compensation and separately paid bonuses |
| Personal exemption amount used for withholding | $5,900 | Allowance calculations reported through Form MI-W4 |
| Rate announcement | April 15, 2026 | Confirms the rate for the 2026 tax year |
The Treasury explains that fiscal-year 2025 general-fund/general-purpose revenue decreased 1.56%, while its inflation comparison increased 2.70%. Because the statutory conditions for a rate reduction were not met, the 2026 rate remained 4.25%. State Treasurer Rachael Eubanks said, “After completing this year’s analysis, the results show that the conditions for an income tax rate reduction were not met. As a result, the individual income tax rate for the 2026 tax year will remain at 4.25%.” Read the Treasury rate notice.
How withholding is calculated on regular pay
For ordinary wages, salaries, vacation allowances and commissions, the 2026 guide describes a percentage method: determine the compensation subject to Michigan withholding, subtract the applicable personal and dependency exemption allowances, and apply 4.25% to the resulting amount. Employers may perform that calculation through their payroll system or use Treasury’s withholding calculator.
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In simplified form, the process is:
- Identify the compensation in the payroll period that is subject to Michigan withholding.
- Use the employee’s current MI-W4 to determine the personal and dependency exemption allowances that apply.
- Convert the exemption information to the payroll-period amount required by the employer’s calculation method.
- Subtract those allowances from the taxable compensation for the period.
- Apply the 4.25% Michigan rate to the remaining amount.
The exemption amount is not a flat amount removed from every paycheck. Payroll must translate the annual exemption figure and the allowances on your MI-W4 into the applicable pay-period calculation. That is why multiplying an annual salary by 4.25% and dividing by the number of checks will not reliably reproduce the deduction on your pay stub.
Treasury’s 2026 withholding forms page links to the official calculator and the current forms. For a specific paycheck estimate, enter the actual pay-period compensation and the instructions currently on your MI-W4. An employer’s payroll result can also reflect the timing of a change, the way compensation is classified, and payroll-period rounding.
What the rate does—and does not—tell you
The 4.25% rate applies to the Michigan withholding computation; it is not a promise that 4.25% of your gross annual salary will be your final Michigan tax. Exemptions, other return-level adjustments, filing circumstances and the total income reported on your Michigan return determine the final liability. Withholding is simply money remitted during the year on your behalf.
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Form MI-W4 controls your Michigan instructions
Employees communicate Michigan withholding instructions on Form MI-W4, Employee’s Withholding Exemption Certificate and Instructions. The 2026 guide says every employer must obtain an MI-W4 from each employee. The federal Form W-4 cannot be used instead of the Michigan form.
When you start a job
- Obtain the current MI-W4 from your employer or the Treasury’s 2026 forms page.
- Read the exemption qualifications on the form. A Michigan withholding exemption is available only for the reasons specified in the MI-W4 instructions.
- Enter the personal and dependency information requested by the form.
- Sign and date the certificate, then return it through your employer’s stated payroll channel.
- Keep a copy so you can compare later pay stubs with the instructions you submitted.
When your circumstances change
Submit a new current MI-W4 when the information that supports your allowances or an exemption changes. Use the current form rather than modifying an old federal W-4. Your employer, not the federal form, is the party that applies the Michigan instructions to state withholding.
Bonuses and other separately paid compensation
The 2026 guide treats bonuses and other employee-compensation payments made separately from regular payroll as a distinct withholding case. For a separately paid bonus, Michigan withholding is the payment multiplied by 4.25%, with no adjustment for personal or dependency exemptions.
For example, if a $2,000 bonus is paid in a separate payroll, the Michigan withholding calculation described by Treasury is $2,000 × 4.25% = $85. That is a withholding amount for the payment, not a statement of the bonus’s final tax cost after you file your return. If the bonus is combined with regular wages in one payroll, ask payroll how it is being treated under the applicable withholding procedure; the separate-payment rule applies when the payment is made separately.
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Which employers must withhold
Michigan employers that are required under the Internal Revenue Code to withhold federal income tax from employee compensation must also withhold Michigan income tax. The state guide also addresses cross-border work:
- An employer located outside Michigan with employees working in Michigan must register and withhold Michigan income tax for compensation paid for work performed in Michigan.
- A Michigan employer assigning a Michigan resident to work temporarily in another state generally continues Michigan withholding on compensation for that work, subject to the guide’s additional rules and any applicable reciprocal-agreement provisions.
The work location, employer registration status and reciprocal rules can change the correct treatment. Employers should follow the current instructions in Treasury’s 2026 Michigan Income Tax Withholding Guide rather than assume that an out-of-state assignment ends Michigan withholding.
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Two ways payroll can determine regular withholding
Treasury identifies two practical approaches for regular employee compensation: a direct percentage computation and the state’s withholding calculator. Both must reflect the employee’s compensation and current MI-W4 instructions.
| Approach | How it is used | Best use |
|---|---|---|
| Direct percentage computation | Subtract the applicable personal and dependency exemption allowances from compensation, then apply 4.25%. | Employer payroll calculations or a reader who understands the pay-period conversion required by the guide. |
| Treasury withholding calculator | Enter the requested payroll and allowance information to obtain a withholding estimate under current Treasury instructions. | Checking a particular pay-period estimate or investigating a pay-stub amount. |
The calculator is the practical choice when you are trying to predict a specific check. It does not replace your MI-W4, and an online estimate is not an official payroll record. If the calculator and your pay stub differ, first check whether the pay period, taxable compensation, allowance information and payment type match.
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Each withholding remittance is paid to Michigan on your behalf during the year. When you file your Michigan individual income-tax return, the withholding reported by your employer is credited toward the total tax calculated on that return. The return can therefore show a balance due, a refund or no additional amount, depending on your full circumstances.
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Do not use one paycheck’s state-tax deduction as your annual tax bill. Review your year-to-date Michigan withholding and compare it with your expected return position. A change in wages, a new job, an exemption change, multiple employers, or other return-level adjustments can make the eventual result differ from a simple percentage of salary.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Why paycheck withholding can differ from a simple 4.25% estimate
- Exemption allowances: Your MI-W4 instructions reduce the compensation base used for regular-pay withholding.
- Pay frequency: The annual personal exemption amount must be allocated to the payroll period.
- Payment type: A separately paid bonus is handled at 4.25% without exemption adjustment.
- Changing instructions: Payroll may apply a new MI-W4 beginning with a later payroll after it is received and processed.
- Work location: Michigan withholding rules can apply to Michigan work performed for an employer based elsewhere and to certain temporary assignments outside Michigan.
- Return-level rules: The final return can include adjustments that are not represented by the paycheck percentage alone.
Pension withholding is a separate calculation
Do not transfer employee-paycheck assumptions to pension or retirement distributions. Treasury lists a separate pension certificate, Form MI W-4P. The guide describes a 4.25% pension withholding rate after the personal exemption allowance claimed on that form and notes separate rules for the taxability of retirement benefits. A pension recipient should use the MI W-4P instructions and the applicable retirement-benefit rules rather than an employee’s MI-W4 example.
Michigan return changes can go beyond paycheck withholding
The Treasury’s main tax page says Public Act 24 of 2025 decouples Michigan income-tax calculations from several federal provisions. It notes that certain deductions enacted under the One Big Beautiful Bill Act are deducted at a slower pace and that an initial state-level add-back generally begins with tax year 2025. The excerpt does not establish every affected provision or how it applies to each taxpayer. The practical point is that a 4.25% withholding calculation cannot capture every adjustment that may matter on a filed Michigan return. Review the instructions for the tax year and your circumstances before assuming your withholding exactly matches your final liability. See Michigan Treasury’s tax information page for the current state-level update.
How to check or correct a withholding problem
- Read the pay stub: Identify the Michigan withholding amount, the pay-period gross compensation and the year-to-date state withholding.
- Confirm the payment type: Determine whether the check includes regular wages, a separately paid bonus, commission, vacation pay or another compensation category.
- Review your MI-W4: Make sure the employer has the current form and that the allowances or exemption claim still reflect your situation.
- Use Treasury’s calculator: Enter the same pay-period facts and current MI-W4 information on the official calculator linked from the 2026 forms page.
- Ask payroll for the calculation basis: Request clarification if the result does not match the payment type or instructions you provided.
- Submit a corrected MI-W4 when needed: If your circumstances changed, provide a new current certificate and keep a copy.
- Reconcile at filing: Compare the final year-to-date withholding reported by your employer with the Michigan withholding credit on your return.
For employer registration, out-of-state work and detailed payroll rules, use the current Form 446 Michigan Income Tax Withholding Guide. For forms and the calculator, use Treasury’s 2026 Withholding Tax Forms page. The calendar-year rate and exemption listing is available at Withholding Tax Information by Calendar Year.
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