2024 Social Security Tax Limit Increase. The maximum amount of earnings subject to social security tax (taxable maximum) will increase to $168,600 from $160,200. 1, 2023, the maximum earnings subject to the social security payroll tax will increase by nearly 9 percent to $160,200—up from the $147,000 maximum.

1, 2023, the maximum earnings subject to the social security payroll tax will increase by nearly 9 percent to $160,200—up from the $147,000 maximum. The maximum amount of earnings subject to the social security tax (taxable maximum) will increase to $168,600.