Your first paycheck, explained.

A paycheck answers how much your employer paid and withheld this period. A tax return answers a different question: how the entire year’s facts fit the tax rules. Start with one pay statement and the year-to-date column, rather than treating every deduction as the same kind of tax.

1. 01

   Build a map of the paycheck

   Which line is a tax, a benefit contribution, or another deduction?

   Identify gross pay, federal income-tax withholding, Social Security, Medicare, state deductions, and benefit contributions. Net pay is the cash left after the listed deductions; it is not automatically the income amount used on a tax return.

   Check both this-period and year-to-date amounts. Keep a record of pay frequency and the date you started work; one unusually large or small paycheck may not represent the full year.

   • Separate federal withholding from Social Security and Medicare.
   • Identify pre-tax and after-tax benefit deductions.
   Mark this step reviewedSources [1]
2. 02

   Understand what Form W-4 changes

   Does the withholding setup reflect this year’s jobs and household facts?

   Form W-4 supplies information your employer uses to calculate federal income-tax withholding. It does not settle your annual tax or generally change the separate Social Security and Medicare calculation.

   Multiple jobs, a working spouse, starting partway through a year, or other income can change the withholding picture. Use the IRS estimator’s supported assumptions instead of copying a friend’s settings. An exemption from withholding has specific conditions.

   • Identify all jobs and other relevant income.
   • Read the estimator’s current-year scope.
   Mark this step reviewedSources [2] [3]
3. 03

   Follow a retirement contribution

   Is the contribution traditional pre-tax or designated Roth?

   For an ordinary employee’s eligible traditional 401(k) elective deferral, federal income-tax wages generally decrease, while Social Security and Medicare wages generally do not. A designated Roth deferral generally remains in federal income-tax wages.

   Consequently, different wage boxes need not match. The contribution’s treatment is separate from an employer match and from the later tax treatment of a retirement distribution.

   • Find the contribution type in plan records.
   • Compare the wage bases rather than only the take-home amount.
   Mark this step reviewedSources [4]
4. 04

   Connect the pay statement to Form W-2

   Can you reconcile the annual statement to your records?

   W-2 Box 1 reports federal taxable wages and Box 2 reports federal income tax withheld. Boxes 3–6 address Social Security and Medicare wages and taxes; retirement codes and state information have their own places.

   After year-end, compare the W-2 with final payroll totals and resolve discrepancies with the employer. The return then combines relevant income, deductions, credits, and payments. A refund is a reconciliation result, not a separate measure of how much income tax you owed.

   • Keep each employer’s W-2.
   • Distinguish tax liability from payments already made.
   Mark this step reviewedSources [5] [6]

This guide assumes an ordinary employee wage situation. It does not determine worker classification, residency, benefit eligibility, payroll corrections, or the amount of a complete tax return. Russian text is an educational explanation of the English-language sources.