Explain My Paycheck

What does SOC SEC or OASDI mean on my pay stub?

Pay Stub Line Itemsbeginner3 answers · 6 min readUpdated February 28, 2026

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

SC

Sarah Chen, Payroll Tax Analyst

Workers who want to understand their Social Security contributions and how they're calculated

Top Answer

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:

  • SOC SEC (most common)
  • OASDI (official government term)
  • Social Security
  • SS TAX
  • FICA SS (when combined with Medicare)

  • 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):

  • Gross pay per paycheck: $2,307.69
  • Social Security deduction per paycheck: $143.08 (6.2% of $2,307.69)
  • Annual Social Security tax: $3,720
  • Your employer also contributes: $3,720
  • Total going to Social Security: $7,440

  • 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:

  • You pay 6.2% on the first $176,100 = $10,918
  • The remaining $23,900 in income has no Social Security tax
  • Your paychecks late in the year will show $0 for SOC SEC/OASDI

  • Key factors about your Social Security contributions


  • It's an investment in your future: These contributions determine your future Social Security retirement benefits
  • You earn "credits" toward benefits: You need 40 quarters (10 years) of contributions to qualify for retirement benefits
  • Higher contributions = higher benefits: Your benefit amount is calculated based on your highest 35 years of earnings
  • It's separate from Medicare: Social Security (6.2%) and Medicare (1.45%) are separate taxes, though often grouped together as "FICA"

  • 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 SalarySocial Security Tax (Employee)Biweekly DeductionEffective Rate
    $30,000$1,860$71.546.2%
    $50,000$3,100$119.236.2%
    $75,000$4,650$178.856.2%
    $100,000$6,200$238.466.2%
    $176,100$10,918$419.926.2%
    $250,000$10,918$419.92*4.4%
    $500,000$10,918$419.92*2.2%

    More Perspectives

    SC

    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:

  • Building credits toward your future retirement benefits (you need 40 quarters or 10 years to qualify)
  • Getting disability insurance coverage starting immediately
  • Providing survivor benefits for your family if something happens to you
  • Contributing to benefits for current retirees (including your parents and grandparents)

  • Example for a typical first job


    If your first job pays $35,000 annually:

  • Your Social Security deduction: $2,170 per year
  • Per paycheck (biweekly): about $83
  • Your employer also pays $2,170 on your behalf
  • Total going into Social Security for you: $4,340

  • 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.

    SC

    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:

  • Paychecks 1-18: $596 Social Security deduction per paycheck
  • Around paycheck 19 (mid-August): You hit $176,100 in total earnings
  • Paychecks 19-26: $0 Social Security deduction (but Medicare continues)
  • Total annual Social Security tax: $10,918 (6.2% of $176,100)
  • Income not subject to Social Security tax: $73,900

  • 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:

  • $100,000 salary: 6.2% effective rate
  • $200,000 salary: 5.5% effective rate
  • $300,000 salary: 3.6% effective rate
  • $500,000 salary: 2.2% 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 securityoasdipay stubficapayroll tax

    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.