Max 401k Contribution For 2024 With Catch Up. 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 dollar limitation for catch. Workers ages 50 and older can make an additional annual contribution to their 401(k) plan, over and above the standard.