Social Security Benefit Tax Limit 2024. Social security tax limit jumps 5.2% for 2024; In 2024, the maximum amount of earnings on which you must pay social security tax is $168,600.
For earnings in 2024, this base is $168,600. For 2024, the social security tax limit has been set at $168,600, an increase from the $160,200 limit in 2023.