2024 401k Max Contribution Irs. 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 401(k) limit for employee salary deferrals is $23,000, which is above the 2023 401(k) limit of $22,500.
Those 50 and older can contribute an additional. More people will be able to make contributions to roth.