Oasdi Limit 2025 Wage Base Increase. Base for 2025 under the above formula, the base for 2025 shall be the 1994 base of $60,600 multiplied by the ratio of the national average wage index for 2023 to that for 1992, or, if larger,. For 2025, the social security wage cap will be $176,100, and social security and supplemental security income (ssi) benefits will increase by 2.5 percent.

The oasdi tax rate for wages paid in 2025 is set by statute at 6.2 percent for employees and employers, each. Individual taxable earnings of up to $176,100 annually will be subject to social security tax in 2025, the social security administration (ssa) said thursday.