Paychecks
Understanding Common Paycheck Deductions
Last updated September 2026 · Workly USA editorial team
Deductions explain the gap between gross earnings and the amount deposited. Some are required by law, while others are elected by you or required by a court order.
Required payroll taxes
Federal income tax withholding, Social Security, and Medicare are common. State and local taxes may apply depending on where you work and live. Withholding is not the same as your final annual tax liability.
Benefits and retirement
Health insurance, dental coverage, flexible spending accounts, HSA contributions, and 401(k) contributions may appear. Check whether each is pre-tax or post-tax and whether the employer contributes a match.
Questions to ask
Ask payroll about unfamiliar labels, effective dates, and whether a deduction is recurring. For garnishments or legal orders, request the official notice and seek qualified advice when needed.
Frequently asked questions
Why did a deduction start without warning?
It may follow a benefits election, enrollment deadline, court order, or policy change. Payroll should provide an explanation.
Are pre-tax deductions always better?
They can lower taxable wages, but eligibility and future tax treatment vary. Review the plan details.
Can deductions reduce pay below minimum wage?
Some deductions are restricted by law. Contact your labor department if you believe a deduction is unlawful.
This article is general educational information for American workers, not tax, legal, payroll, or financial advice. Rules vary by state and employer. Verify current requirements with your state labor department or a qualified professional.