401 K Limits 2024 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. Learn about the 2024 contribution limits for different retirement savings plans including 401k,.

The 401(k) contribution limits for 2023 sit at $22,500 for retirement savers under 50 and $30,000 for those 50 and over. The 401(k) contribution limit is $23,000.