Social Security 2024 Limit. For 2024, the social security tax limit is $168,600. This limit changes each year with changes in the national average wage index.

The limit for 2023 and 2024 is $25,000 if you are a single filer, head of household or qualifying widow or widower with a dependent child. The maximum amount of earnings subject to the social security tax (taxable maximum) will increase to.