Form W-2, officially called the Wage and Tax Statement, is a tax form that employers provide to employees and file with the Social Security Administration (SSA) each year. The W-2 reports your annual earnings and the taxes withheld from your paycheck throughout the year.
If you worked as an employee during the tax year, your W-2 is one of the most important documents you'll use when preparing your federal and state income tax returns.
What Information Is Included on a W-2?
A Form W-2 contains key details about your employment income and tax withholding, including:
- Wages, salaries, tips, and bonuses
- Federal income tax withheld
- Social Security wages and tax withheld
- Medicare wages and tax withheld
- State income tax withheld (if applicable)
- Local tax information (if applicable)
- Employer identification information
- Employee identifying information
The information on your W-2 helps determine your taxable income, tax liability, and whether you're entitled to a refund or owe additional tax.
Why Your W-2 Is Important
Your W-2 serves several important purposes during tax season.
It helps you:
- Report employment income accurately
- Claim credit for taxes already withheld
- Calculate your refund or balance due
- Complete federal and state income tax returns
- Verify earnings for Social Security and other government programs
The IRS also receives a copy of your W-2 and uses it to verify the income reported on your tax return.
Understanding Key W-2 Boxes
While a W-2 contains many boxes, a few are especially important for most taxpayers:
Box 1: Wages, Tips, Other Compensation
This is the amount of taxable wages reported on your federal tax return. It may be different from your total earnings because certain pre-tax deductions can reduce taxable wages.
Box 2: Federal Income Tax Withheld
This shows the amount of federal income tax your employer withheld during the year.
Box 3: Social Security Wages
This reports wages subject to Social Security tax.
Box 4: Social Security Tax Withheld
This shows the Social Security tax withheld from your pay.
Box 5: Medicare Wages and Tips
This reports wages subject to Medicare tax.
Box 6: Medicare Tax Withheld
This shows the Medicare tax withheld during the year.
Boxes 15-20: State and Local Information
These boxes report state wages, state tax withholding, and local tax information when applicable.
When Should You Receive Your W-2?
Employers are generally required to provide Form W-2 by January 31 following the end of the tax year.
For example:
- Wages earned during tax year 2026 are reported on a 2026 Form W-2.
- The employer must generally provide the W-2 by January 31, 2027.
Your employer may provide the form:
- By mail
- Electronically through a payroll portal
- Through a secure employee website
What If You Have More Than One W-2?
It's common to receive multiple W-2s if you:
- Worked for more than one employer during the year
- Changed jobs
- Worked part-time for several employers
- Received a corrected W-2 from an employer
All W-2s must generally be included when preparing your tax return.
What If Your W-2 Is Missing?
If you haven't received your W-2 by early February:
- Contact your employer first.
- Verify your mailing address and employment records.
- Check whether the form is available electronically.
- If you still don't receive it, contact the IRS for assistance.
It's important not to guess at your income when filing. Using incorrect information could delay processing or result in IRS notices.
What If Your W-2 Contains Errors?
Review your W-2 carefully when you receive it.
Common errors include:
- Incorrect Social Security number
- Misspelled name
- Incorrect wage amounts
- Incorrect withholding amounts
- Wrong employer information
If you find an error, contact your employer as soon as possible. The employer may need to issue a corrected Form W-2, known as Form W-2c.
W-2 vs. Other Common Tax Forms
Several tax forms may look similar, but they serve different purposes.
Form W-2
- Used for employees
- Reports wages and tax withholding
- Employer withholds taxes from paychecks
Form 1099-NEC
- Used primarily for independent contractors
- Reports nonemployee compensation
- Taxes are generally not withheld
Form W-4
- Completed by employees
- Tells employers how much tax to withhold from paychecks
Form W-9
- Used to provide taxpayer identification information
- Commonly completed by contractors, freelancers, and vendors
Knowing the difference between these forms can help ensure income is reported correctly.
How Tax Software Uses Your W-2
When you enter your W-2 information into tax software, the program automatically:
- Reports your wage income
- Applies withholding credits
- Calculates taxable income
- Determines your refund or amount owed
- Transfers information to any required state returns
Many employers and payroll providers also offer electronic import options that can reduce data-entry errors.