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Why Your Paycheck Gets Bigger After the Social Security Cap

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Updated October 25, 2026 · Sources linked in the text

Social Security tax is 6.2% of your pay, but only up to a yearly limit called the wage base: $184,500 in 2026. Once your pay for the year reaches it, Social Security stops being withheld and your paychecks get bigger until January.

An example

A $240,000 salary paid every two weeks is $9,230.77 a paycheck, with $572.31 of Social Security taken out of each one.

Medicare does not stop: it is 1.45% of all pay. Once your pay for the year passes $200,000, your employer also withholds the 0.9% Additional Medicare Tax, so around paycheck 22 in this example take-home pay dips slightly again. Try your own numbers in the salary paycheck calculator and use "Pay so far this year" to see a late-year paycheck.

What counts toward the cap

Wages subject to Social Security: salary, hourly pay, overtime, bonuses and commissions. Traditional 401(k) contributions still count (they are not excluded from Social Security), while health premiums and HSA contributions through a cafeteria plan do not.

Two jobs or a new employer

Each employer withholds Social Security up to the full wage base on its own. If you change jobs mid-year, or work two jobs, more than $184,500 of your combined pay may be taxed. The extra is not lost: you claim it back as a credit on your federal tax return (Form 1040, Schedule 3, excess social security tax withheld).

The cap resets every January

The count starts again with the first paycheck dated in the new year, so your take-home pay drops back in January. The wage base usually rises each year with average wages: it is $192,300 for 2027.

Sources: Social Security Administration COLA fact sheet; IRS Publication 15 (2026).

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