Quick Answer
SOC SEC or OASDI (Old-Age, Survivors, and Disability Insurance) on your pay stub is your Social Security tax contribution. You pay 6.2% of earnings up to $176,100 in 2026. On a $50,000 salary, that's $3,100 annually or about $119 per paycheck.
Best Answer
Sarah Chen, Payroll Tax Analyst
Workers who want to understand their Social Security contributions and how they're calculated
What SOC SEC or OASDI means on your pay stub
SOC SEC and OASDI both refer to the same thing: your Social Security tax contribution. OASDI stands for Old-Age, Survivors, and Disability Insurance – the official name for Social Security. This mandatory deduction helps fund Social Security benefits for current retirees and builds your own future retirement benefits.
How Social Security tax works
You pay 6.2% of your earnings as Social Security tax, and your employer matches this with another 6.2% (for a total of 12.4% going into the Social Security system). However, there's a wage cap: in 2026, you only pay Social Security tax on earnings up to $176,100. Any income above this threshold is not subject to Social Security tax.
Social Security tax calculations by income level
*Note: High earners stop paying Social Security tax once they hit the $176,100 wage base*
How to read this on your pay stub
Social Security deductions appear under various names:
The amount shown is your deduction for that pay period. Your pay stub also shows your year-to-date total, which helps you track whether you're approaching the wage cap.
Example: $60,000 salary breakdown
If you earn $60,000 annually paid biweekly (26 paychecks):
What happens when you hit the wage cap
If you earn more than $176,100 in 2026, you'll notice your Social Security deduction stops once you hit that threshold. For example, if you earn $200,000:
Key factors about your Social Security contributions
What you should do
Check your Social Security Statement annually at ssa.gov to verify your earnings are being properly credited. The amount on your pay stub should match what Social Security has on file for your earnings record. If there's a discrepancy, contact your employer's payroll department.
Use our paycheck calculator to see exactly how Social Security tax affects your take-home pay at different income levels.
Key takeaway: SOC SEC or OASDI is your 6.2% Social Security tax contribution on earnings up to $176,100. For a $60,000 salary, that's $3,720 annually or $143 per paycheck, matched dollar-for-dollar by your employer.
*Sources: [Social Security Administration](https://www.ssa.gov), [IRS Publication 15](https://www.irs.gov/pub/irs-pdf/p15.pdf)*
Key Takeaway: SOC SEC or OASDI is your 6.2% Social Security tax contribution on earnings up to $176,100, matched dollar-for-dollar by your employer.
Social Security tax by income level for 2026
| Annual Salary | Social Security Tax (Employee) | Biweekly Deduction | Effective Rate |
|---|---|---|---|
| $30,000 | $1,860 | $71.54 | 6.2% |
| $50,000 | $3,100 | $119.23 | 6.2% |
| $75,000 | $4,650 | $178.85 | 6.2% |
| $100,000 | $6,200 | $238.46 | 6.2% |
| $176,100 | $10,918 | $419.92 | 6.2% |
| $250,000 | $10,918 | $419.92* | 4.4% |
| $500,000 | $10,918 | $419.92* | 2.2% |
More Perspectives
Sarah Chen, Payroll Tax Analyst
New workers seeing Social Security deductions for the first time and wondering what they're paying for
Your first Social Security deduction
Seeing SOC SEC or OASDI deducted from your first paycheck might feel like a lot of money disappearing, but this is actually one of the most important deductions you'll ever make. You're paying into a system that will provide you with retirement, disability, and survivor benefits throughout your life.
What you're getting for this money
Every time you see that SOC SEC deduction, you're:
Example for a typical first job
If your first job pays $35,000 annually:
This might seem like a lot when you're starting out, but it's an investment in your future security.
Why you can't opt out
Unlike retirement plan contributions, Social Security is mandatory for most jobs. You can't choose to skip it and get a bigger paycheck. This is because Social Security is designed as social insurance – everyone pays in, and everyone gets benefits when they need them.
How this affects your future
The Social Security taxes you pay in your first job start building your benefit calculation immediately. Social Security uses your highest 35 years of earnings to calculate your retirement benefits, so even your entry-level earnings matter for your future payments.
Key takeaway: Your first Social Security deduction starts building your future retirement, disability, and survivor benefits immediately – it's mandatory social insurance, not a regular tax you can avoid.
Key Takeaway: Your first Social Security deduction starts building future retirement, disability, and survivor benefits immediately as mandatory social insurance.
Sarah Chen, Payroll Tax Analyst
Workers earning above or near the Social Security wage base who see their deduction stop mid-year
When your Social Security deduction disappears
If you earn more than $176,100 in 2026, you'll notice something interesting happen during the year: your SOC SEC or OASDI deduction will suddenly drop to $0. This isn't an error – it's because you've hit the Social Security wage base limit.
How the wage cap works
Social Security tax only applies to the first $176,100 of earnings in 2026. Once your year-to-date earnings reach this threshold, both you and your employer stop paying Social Security tax on additional income. However, Medicare tax (1.45%) continues on all earnings with no cap.
Example: $250,000 salary timeline
For someone earning $250,000 annually paid biweekly:
Your effective Social Security tax rate
While lower earners pay 6.2% of all income for Social Security, high earners pay a lower effective rate:
Impact on future benefits
The wage cap also limits how much of your high income counts toward your future Social Security benefits. Benefits are calculated on earnings up to the wage base limit each year, so income above $176,100 won't increase your future Social Security retirement payments.
Key takeaway: High earners stop paying Social Security tax once they earn $176,100 in 2026, paying a maximum of $10,918 annually regardless of total income.
Key Takeaway: High earners stop paying Social Security tax after earning $176,100 in 2026, capping their annual contribution at $10,918.
Sources
- Social Security Administration — Social Security contribution and benefit base
- IRS Publication 15 — Employer's Tax Guide for payroll taxes
Reviewed by Sarah Chen, Payroll Tax Analyst on February 28, 2026
This content is for educational purposes only and is not a substitute for professional tax advice. Consult a qualified tax professional for advice specific to your situation.