2024 401k Contributions Limit. 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. You can add to your plan until.

In 2024, employers and employees together can. For 2024 you may contribute up to $23,000 to your employer’s 401 (k) plan.