Irs Limit For 401k 2024 Catch Up. Starting in 2024, employees can contribute up to $23,000 into their 401(k), 403(b), most 457 plans or the thrift savings plan for. 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. The 401(k) contribution limit for 2024 is $23,000 for employee contributions, and $69,000 for the combined employee and employer contributions.