401k Maximum 2024 Catch Up Period. For 2024, the limit for 401 (k) plan contributions is $23,000, up from $22,500 last year, according to the irs.  — in 2024, the 401 (k) contribution limit is $23,000.

Employees can contribute up to $22,500, up from $22,000 in 2023. A change enacted via secure 2.0.