2024 401k Catch Up Contribution Limit. For 2025, the 401(k) contribution limit for employees is $23,500, or $31,000 if you are age 50 or older. Plan participants may wish to consider the impact of the dollar limitations.

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. This amount is up modestly from 2024, when the individual 401(k).