FICA tax is a fixed percentage taken from your paycheck every pay period
FICA stands for Federal Insurance Contributions Act. The tax rate is 15.3% of your wages total, but you and your employer split it. As an employee, you pay 7.65% directly from your paycheck. Your employer pays the other 7.65% on top of your salary — you do not see that part deducted, but it is part of your total compensation cost.
The 7.65% you pay breaks into two pieces: 6.2% goes to Social Security and 1.45% goes to Medicare. These are not optional. If you are a W-2 employee, your employer withholds this amount automatically. If you are self-employed, you pay the full 15.3% yourself when you file taxes, though you can deduct half of it.
The Social Security portion (6.2%) only applies to wages up to a certain cap. In 2024, that cap is $168,600, meaning once you earn that much in a year, no more Social Security tax is withheld from your remaining paychecks. Medicare tax (1.45%) has no cap — it applies to all your wages no matter how much you earn. High earners also pay an additional 0.9% Medicare tax on wages above $200,000 (single) or $250,000 (married filing jointly).
Key Takeaways
- You pay 7.65% of your gross wages in FICA tax, split between 6.2% for Social Security and 1.45% for Medicare.
- Social Security tax stops once you reach $168,600 in annual wages, but Medicare tax continues on all earnings.
- Your employer pays a matching 7.65%, bringing the total FICA cost to 15.3% of your salary.
- Self-employed workers pay the full 15.3% but can deduct half when filing taxes.
- High earners pay an extra 0.9% Medicare tax on wages above $200,000 (single filers).
How FICA tax appears on your pay stub
When you receive your paycheck, you will see a line item labeled "FICA" or separate lines for "Social Security" and "Medicare." The amount deducted is 7.65% of your gross pay (your salary before any deductions). This happens on every single paycheck throughout the year.
Your pay stub also shows what your employer contributes, though this does not reduce your take-home pay. The employer portion appears in the "employer taxes" section, which is informational only. You are not paying it directly, but it is part of the total cost of employing you.
Why the Social Security wage cap matters
The Social Security wage cap changes each year based on inflation. In 2024 it is $168,600. Once you earn that much in a calendar year, your employer stops withholding the 6.2% Social Security tax from your remaining paychecks. This means high earners pay a smaller percentage of their total income in Social Security tax than lower earners do.
For example, someone earning $50,000 pays 6.2% on all $50,000. Someone earning $300,000 pays 6.2% only on the first $168,600, then nothing on the remaining $131,400. The Medicare portion (1.45%) continues on all wages with no cap, and the additional 0.9% Medicare tax kicks in for high earners.
Self-employed FICA tax and the deduction
If you are self-employed, you pay both the employee and employer portions of FICA tax — the full 15.3%. You calculate this on your net self-employment income (your business income minus business expenses) using Schedule SE when you file your tax return.
The good news is that you can deduct half of your self-employment tax when you calculate your adjusted gross income. This means while you pay 15.3%, you only owe income tax on half of that amount. The deduction appears on line 14 of Form 1040.
FICA tax versus income tax — what is the difference
FICA tax and federal income tax are two separate withholdings. FICA is a fixed percentage (7.65% for employees) that funds Social Security and Medicare. Federal income tax is based on your tax bracket and filing status — it varies from 10% to 37% depending on how much you earn and your personal situation.
Both come out of your paycheck, but they go to different places and fund different programs. FICA is mandatory for almost all workers. Federal income tax withholding is also mandatory, but the amount withheld depends on the W-4 form you fill out with your employer.
States that do not have income tax still collect FICA
Nine states have no state income tax: Alaska, Florida, Nevada, South Dakota, Tennessee, Texas, Washington, Wyoming, and New Hampshire (which taxes only dividends and interest, not wages). Even if you live in one of these states, you still pay federal FICA tax. FICA is federal, not state-level.
Some states do collect their own payroll taxes for disability insurance or family leave programs, even if they have no income tax. Check your pay stub to see what your state withholds.
What happens to the FICA tax you pay
The 6.2% Social Security tax you pay goes into a trust fund that pays benefits to retirees, disabled workers, and survivors of deceased workers. The 1.45% Medicare tax funds the Medicare program, which provides health insurance to people age 65 and older and some younger people with disabilities.
These are not savings accounts in your name. You are funding the current generation of beneficiaries. When you retire, future workers' FICA taxes will fund your benefits. The amount you receive in Social Security is based on your earnings record and the age you claim benefits, not on how much you paid in.
Frequently Asked Questions
Why do I pay FICA tax if I am not retired yet?
FICA tax funds current retirees and disabled workers, not just your future retirement. You are also building a record of earnings that determines your future Social Security benefit amount. Even if you never retire, you may receive disability or survivor benefits if you become unable to work or pass away.
Can I opt out of FICA tax?
No. FICA tax is mandatory for nearly all employees and self-employed workers. The only exceptions are certain religious groups and some government employees hired before specific dates. If you are a W-2 employee, your employer must withhold it.
Does FICA tax explore to tips and bonuses?
Yes. FICA tax applies to all wages, including tips, bonuses, commissions, and overtime pay. Your employer withholds FICA on the full amount of compensation you receive, not just your base salary.
What if I worked multiple jobs — do I pay FICA twice?
Yes, you pay FICA on earnings from each job. However, if your combined wages exceed the Social Security wage cap, you may have overpaid Social Security tax. You can claim a credit for the overpayment when you file your tax return.
Does FICA tax explore to retirement account contributions?
It depends. Traditional 401(k) contributions reduce your income tax but not FICA tax — you still pay FICA on the full amount. Roth 401(k) contributions also do not reduce FICA. However, certain pre-tax deductions like health insurance premiums do reduce FICA tax.