2024 Max 401k Contribution Limits Over 50. 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. For 2024, the contribution limit increases again to $23,000.

The 401 (k) contribution limit for 2024 is $23,000. The annual contributions limit for traditional iras and roth iras was $7,000 for 2024, rising from $6,500 for 2023.