Annual 401k Contribution Limit 2024 Schrikkeljaar. The 2024 contribution limit for employees who participate in 401(k), 403(b), and most 457 plans, as well as the federal government’s thrift savings plan is increased to $23,000, up from $22,500. 401(k) contribution limits in 2024 and 2025.
2024 401 (k) elective deferral limit is $23,000, increasing to $23,500 in 2025. 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.