How Much Catch Up 401k 2024. 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. Those 50 and older can contribute an additional.
The contribution limits for individual. Total 401(k) plan contributions by an employee and an employer cannot exceed $69,000 in 2024.