Social Security Tax 2025 Calculator Married Filing Jointly. Tax year 2025 currently is using 2023 data as 2024 data have not be released. 12.40%) up to an annual maximum of $176,100 for 2025 ($168,600 for 2024).

The social security tax rate is 6.20% (total including employer contribution: The tax calculator provides a full, step by step, breakdown and analysis of each tax, medicare and social security calculation.