Maximum Social Security Withholding 2024. This results in a maximum. The maximum amount of income that's subject to the social security tax is $168,600 in 2024.
For 2024, the fica tax rate for employers will be 7.65% โ 6.2% for social security and 1.45% for medicare (the same as in 2023). 401 (k) and ira contribution limits have increased to $23,000 and.