Social Security Max Tax 2024 Income Limit. The limit on annual earnings subject to social security taxes is referred to as the taxable maximum or the social security tax cap. 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.

(for 2023, the tax limit was $160,200. For an individual, the tax rate is 6.2% of earnings, with their employer paying another 6.2%.