Oasdi Limit 2025 Social Security Increase. The social security administration (ssa) announced on thursday, october 10, that the 2025 social security wage base will be $176,100, an increase of $7,500 from. The oasdi tax rate for wages paid in 2025 is set by statute at 6.2 percent for employees and employers, each.

Below is a summary of (1) the key inflation adjusted numbers for 2025 from rev. The formula for determining the oasdi contribution and benefit base is set by law.