Irs 401k Limits 2024 Catch Up Age. This ensures that the limits remain meaningful as the cost of living.  — in 2024, you’re able to contribute an additional $7,500 to a 401 (k) each year, so long as you’ve made your contributions by the end of the calendar year.

 — 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.  — in 2024, you’re able to contribute an additional $7,500 to a 401 (k) each year, so long as you’ve made your contributions by the end of the calendar year.