2024 Max 401k Contribution Catch Up Rate. 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. 401 (k) contribution limits in 2023 and 2024.
The 401 (k) compensation limit is $345,000. Contribution limits for a roth 401(k) are the same as for a traditional 401(k).