2024 Social Security Tax Limit Increase 2024. The maximum social security benefit for a worker retiring at full retirement age will increase to $3,822 per month in 2024 from $3,627 in 2023. That limit is increasing to $168,600 in 2024, from $160,200 in 2023.

Up to $168,600 of earnings will be subject to social security tax in 2024, raising the taxes taken out of a high earner’s paycheck to $10,453. We call this annual limit the contribution and benefit base.