Maximum Social Security Tax Withholding 2024. In 2024, the maximum amount of earnings on which you must pay social security tax is $168,600. The 2024 limit is $168,600, up from $160,200 in 2023.
This means the maximum possible social security withholding in 2024 is. The current tax rate for social security is 6.2% for the employer and 6.2% for the employee, or 12.4% total.