2024 401k Catch Up Contribution Limit. Use our calculator to estimate your future balance. 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.
Employees can contribute up to $23,000 to their 401 (k) plan for 2024 vs. This number only includes personal contributions — employer matches.