2024 401k Contribution Max 2024. The dollar limitation for catch. For 2024, the limit for 401 (k) plan contributions is $23,000, up from $22,500 last year, according to the irs.

Here’s how the 401 (k) plan limits will change in 2024: Of note, the 2024 pretax limit that applies to elective deferrals to irc section 401 (k), 403 (b) and 457 (b) plans increased from $22,500 to $23,000.