Social Security tax on your paycheck
6.2% of wages up to the annual Social Security wage base.
Social Security tax (also called OASDI) funds retirement, survivors, and disability benefits. In 2025, the employee rate is 6.2% on wages up to $176,100. Your employer pays a matching 6.2%.
How it usually appears
Category: mandatory
Aliases on a stub: OASDI, SS Tax
Tax interaction
- Reduces federal taxable wages: No
- Reduces FICA wages: No
- Reduces state taxable wages: Usually no
Official sources
- IRS Topic 751 — Social Security and Medicare Withholding Rates — IRS · 2025 · last verified 2025-04-01
- SSA — Contribution and Benefit Base — SSA · 2025 · last verified 2025-04-01
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