2024 401k Catch Up Contribution Limits 2024. Starting in 2025, the 401 (k) employee deferral limit will jump to $23,500, up from $23,000 in 2024. 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.
However, the ira contribution limit will remain the same at $7,000. The 401 (k) contribution limit increased to $23,500 for 2025, up from $23,000 in 2024.