Social Security Tax 2025. The oasdi tax rate for wages paid in 2025 is set by statute at 6.2 percent for employees and employers, each. The question, “is social security taxed as ordinary income?” is a common one.

The social security administration recently announced that the wage base for computing social security tax will increase to $176,100 for 2025 (up from $168,600 for 2024). The social security tax rate is unchanged for.