2024 Irs 401k Contribution Limits Over 50. Workers who contribute to a 401 (k), 403 (b), most 457 plans and the federal government’s thrift savings plan can contribute up to $23,000 in 2024, a $500 increase from the $22,500 limit in 2023. In 2024, employers and employees together can contribute up to $69,000, up from a limit of $66,000 in 2023.

The 401 (k) contribution limits for 2024 are $23,000 for individuals under 50, and $30,500 for those 50 and older. More people will be able to make contributions to roth ira accounts, too.