Social Security Max Tax 2025 Income. Social security tax limit (wage base) for 2025. The social security administration (ssa) announced that the maximum earnings subject to social security (oasdi) tax will increase from $160,200 to $168,600 in 2025 (an increase of $8,400).
In 2025, the maximum amount of earnings on which you must pay social security tax is $168,600. The social security wage base is the maximum gross earnings subject to social security tax that can be imposed on an employee.