401k Limit 2024 Catch Up Over 55. Changes in inflation affect the limits, which have risen gradually.  — 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.

You can contribute to more than one.  — the 401(k) contribution limit for 2024 is $23,000.