Payroll tax vs. income tax: who withholds, pays, and reports each?
A plain-English employer guide to federal income-tax withholding, Social Security, Medicare, FUTA, wage bases, deposits, and reporting.
Is it right for you?
- Classify the worker and payment correctly
- Identify each tax and its taxable wage base
- Use the current W-4 and Publication 15-T for income-tax withholding
- Separate employee withholding from employer expense
- Reconcile deposits, Forms 941 or 944, FUTA, and Form W-2 records
Quick verdict
Income-tax withholding and payroll taxes appear on the same payroll run but follow different rules. Employers generally withhold federal income tax using Form W-4 and IRS methods; they also withhold employee Social Security and Medicare and pay employer shares. FUTA is generally paid from employer funds. Use current IRS guidance and payroll records for calculations, deposits, and returns.
The short distinction
| Item | Employee side | Employer side | Main federal source |
|---|---|---|---|
| Federal income tax | Withheld based on wages, W-4, and IRS method | Withholds, deposits, and reports | Publication 15-T |
| Social Security | 6.2% of covered wages up to the annual wage base | Generally matches 6.2% | Publication 15 |
| Medicare | 1.45% of covered wages; Additional Medicare withholding can apply | Generally matches 1.45%; no match on Additional Medicare Tax | Publication 15 |
| FUTA | Not withheld from employee pay | Employer tax under applicable rules | Publication 15 |
Federal income-tax withholding is a prepayment
Employees complete Form W-4, and employers use Publication 15-T methods to calculate withholding. The 2026 form and tables account for filing status and relevant Steps 2, 3, and 4 adjustments [IRS, 2026]. Withholding is not the same as the employee's final annual income-tax liability.
A refund does not prove payroll "overcharged" the employee, and a balance due does not by itself prove payroll erred. Employees with changing circumstances can review Form W-4 and the IRS estimator.
FICA has separate wage-base logic
For 2026, the IRS lists Social Security at 6.2% for both employee and employer on covered wages up to $184,500. Medicare is 1.45% for each side with no wage-base cap [IRS, 2026].
Employers withhold the additional 0.9% Medicare tax after paying an employee more than $200,000 in Medicare wages during the calendar year, without regard to filing status, and do not match that additional amount [IRS, 2026].
FUTA is not an employee deduction
FUTA supports the federal-state unemployment system and is generally an employer obligation. Do not place an employer FUTA amount in the employee-deduction column.
State unemployment taxes and wage bases require separate state review. A payroll dashboard that labels every employer cost "payroll tax" can obscure which amount belongs to which authority and return.
Why gross pay and taxable wages differ
A payment can be wages for one tax and excluded or treated differently for another. Benefits, retirement contributions, reimbursements, tips, supplemental wages, and special worker categories require current guidance.
Build calculations from coded payroll elements and their tax treatment. Never take net pay or one "taxable gross" line and reverse-engineer every tax from it.
Frequently asked questions
Is federal income tax part of payroll tax? People use the phrase broadly, but withholding and FICA/FUTA have distinct rules and should be named separately.
Does the employer pay the employee's federal income tax? The employer generally withholds it from wages and remits it; the tax relates to the employee's income.
Who pays FUTA? IRS guidance states FUTA is paid from employer funds and is not withheld from employees.
Can I calculate a paycheck from this article? No. Use current payroll data, Publication 15-T, state/local rules, and qualified review.