2025 Maximum Social Security Tax. A maximum amount of compensation is subject to the social security tax, but there’s no maximum for medicare tax. For 2025, the ssa has set the cola at 2.5%.
For those still working, the amount of income subject to the 6.2% social security tax paid via payroll deduction will rise from $168,600 to $176,100, an increase of $7,500. Now that september inflation data is out, the social security administration has announced several adjustments for 2025.