2024 401k Contribution Limit Catch Up 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. Total 401(k) plan contributions by an employee and an employer cannot exceed $69,000 in 2024.

More people will be able to make contributions to roth. The 401k contribution limits for the year 2025 are expected to see many increases in different plans including elective deferral limit to $24,000, defined.