Oasdi Limit 2025 Contribution. The oasdi portion of fica will be 6.2% of earnings up to the. (last year, the tax limit was $168,600.) so, if you earned more than $168,600 this past year, you didn’t have to pay the social security.

The oasdi tax rate for 2025 is set at 6.2%. The rates shown reflect the.