Yes, you pay Social Security taxes on your wages, and your employer matches what you pay

If you work as an employee, Social Security tax comes out of your paycheck automatically. Your employer withholds 6.2% of your gross wages up to a yearly earnings cap, and your employer pays an equal 6.2% on your behalf — that's 12.4% total going into the Social Security system. This happens whether you're full-time, part-time, or seasonal, as long as you're on a regular payroll.

If you're self-employed, you pay both the employee and employer portions yourself: 15.3% of your net business income, though you can deduct half of it as a business expense on your tax return. The earnings cap changes each year — in 2024 it was $168,600, meaning you don't pay Social Security tax on income above that amount.

Not all work counts toward Social Security. Federal employees hired before 1984, some railroad workers, and certain government employees in states with their own pension systems may not pay into Social Security at all. If you're unsure whether your job is covered, your pay stub will show whether Social Security tax was withheld.

Key Takeaways

  • Employees pay 6.2% of wages up to an annual earnings cap, with employers matching the same amount.
  • Self-employed workers pay 15.3% of net business income, but can deduct half as a business expense.
  • The earnings cap changes yearly and is adjusted for inflation.
  • Most jobs are covered by Social Security, but some federal, railroad, and state government positions are exempt.
  • Your pay stub shows exactly how much Social Security tax was withheld from each paycheck.

How Social Security tax appears on your paycheck

Your pay stub breaks down deductions into separate line items. You'll see "Social Security" or "OASDI" (Old-Age, Survivors, and Disability Insurance) listed as a deduction, showing the dollar amount withheld. Next to it is the 6.2% rate and your year-to-date total. Once you hit the earnings cap in a given year, Social Security tax stops being withheld from your remaining paychecks for that year.

Your employer's matching contribution doesn't appear on your pay stub — it's a separate cost to the employer and goes directly to Social Security. But it counts toward your Social Security record just as much as the amount withheld from your wages does.

The earnings cap and why it matters

Social Security has a maximum earnings amount subject to tax each year. In 2024, that cap was $168,600. If you earn $200,000 in a year, you only pay Social Security tax on the first $168,600. High earners stop paying Social Security tax partway through the year, while lower-wage workers pay it on every dollar they earn.

This cap is adjusted annually based on national wage trends, so it increases most years. The cap affects how much you can contribute to Social Security and, eventually, how much you can receive in benefits — though benefits are calculated using a formula that accounts for this cap.

Self-employed workers and Social Security tax

If you're self-employed, you file Schedule SE with your tax return to calculate your Social Security and Medicare taxes. You pay 15.3% combined (12.4% for Social Security, 2.9% for Medicare) on your net business income after business expenses. The self-employment tax is calculated on your net profit, not your gross revenue.

The earnings cap applies to self-employed income the same way it applies to wages. Once your net self-employment income hits the cap, you stop paying the 12.4% Social Security portion, though you continue paying the 2.9% Medicare tax on all income. You can deduct half of your self-employment tax as a business expense, which lowers your taxable income.

Jobs that don't pay into Social Security

Most workers pay Social Security tax, but some groups are exempt. Federal employees hired before 1984 pay into the Civil Service Retirement System instead. Some state and local government employees, particularly those in states with their own pension plans, may not pay Social Security tax. Railroad workers covered by the Railroad Retirement Act pay into a separate system.

If you work for a nonprofit organization, you typically do pay Social Security tax unless the organization has filed for a specific exemption. Church employees may be exempt depending on their role and the church's election. If you're unsure whether your job is covered, ask your payroll department or check your pay stub for the Social Security withholding line.

What happens if you work multiple jobs

If you have more than one job, each employer withholds Social Security tax independently. You could end up paying more than the annual cap if your combined earnings across all jobs exceed it. For example, if you earn $100,000 at one job and $80,000 at another, you'll pay Social Security tax on all $180,000 even though the cap is $168,600.

When you file your tax return, you can claim a credit for the excess Social Security tax paid. The IRS will refund the overpayment when you file, so you won't lose money — but you have to file a return to get it back. Keep your pay stubs from all jobs to verify the total amount withheld.

How your Social Security taxes build your benefit record

Every dollar of Social Security tax you pay is credited to your Social Security record. The Social Security Administration tracks your earnings history and uses it to calculate your benefit amount when you reach retirement age or become disabled. You need 40 credits to be covered for retirement benefits — generally earned by working about 10 years — and fewer credits for disability or survivor benefits.

Your benefit amount is based on your highest 35 years of earnings, adjusted for inflation. The more you earn and pay in Social Security tax over your working life, the higher your eventual benefit. You can view your earnings record and estimated benefits by creating an account at ssa.gov.

Frequently Asked Questions

What if I don't want to pay Social Security tax?

You cannot opt out of Social Security tax if you're a covered employee. It's a mandatory payroll deduction. The only way to avoid it is to work in a job that's exempt from Social Security, such as certain federal or state government positions, but those are rare and you don't get to choose them.

Do I pay Social Security tax on bonuses and overtime?

Yes. Social Security tax applies to all wages and compensation, including bonuses, overtime, commissions, and tips. The 6.2% rate applies to the total, up to the annual earnings cap. Once you've hit the cap for the year, no more Social Security tax is withheld on any additional income.

Can I get a refund of Social Security taxes I've already paid?

No, you cannot get a refund of Social Security taxes paid during your working years. However, if you overpaid due to working multiple jobs, you can claim a credit on your tax return. If you're a noncitizen who leaves the country, you may be able to withdraw your contributions under certain circumstances — contact the Social Security Administration for details.

Do I pay Social Security tax on unemployment benefits?

No. Unemployment benefits are not subject to Social Security tax. However, they may be subject to federal income tax withholding if you request it. Social Security tax only applies to wages from work and net self-employment income.

What happens to my Social Security taxes if I die before retirement?

Your family members may be able to receive survivor benefits based on your Social Security record. Your spouse, children, and parents may all be covered. The amount depends on your earnings history and their relationship to you. Contact the Social Security Administration or visit ssa.gov to learn about survivor benefits.