Oasdi Max 2025 Withholding

Oasdi Max 2025 Withholding. The oasdi tax rate for wages paid in 2025 is set by statute at 6.2 percent for employees and employers, each. Oasdi tax is a flat rate of 12.4%, split evenly between employers and employees.

Oasdi tax is a flat rate of 12.4%, split evenly between employers and employees. For 2025, the social security wage cap will be $168,600, and social security and supplemental security income (ssi) benefits will increase by 3.2 percent.