Social Security Tax Income Limit 2024 Married Jointly. The federal government sets a limit on how much of your income is subject to the social security tax. Up to 85% of your social security benefits is subject to income tax if your combined income, based on the social security administration’s formula, is more than $34,000 (single.

For combined income between $25,000 and $34,000 (single) or $32,000 and $44,000 (joint filing), up to 50% of benefits can be taxed. It is important to note that the.