401k And 457 Contribution Limits 2024 Over 55. The dollar limitation for catch. Starting in 2024, employees can contribute up to $23,000 into their 401 (k), 403 (b), most 457 plans or the thrift savings plan for federal employees, the irs announced nov.

That’s an increase of $500 over 2023. They both offer a $23,000 employee contribution (for those under 50 in 2024) and a $69,000 total.