Social Security Max 2024 Income Tax. 2024 max social security tax. In 2024, the social security income limit is $22,320 (up from $21,240 in 2023) if you are under full retirement age for the entire year.

The social security wage base for 2023 is $160,200, and $168,600 in 2024. In 2024, the maximum amount of earnings on which you must pay social security tax is $168,600.