2024 Max 401k Contribution Catch Up. 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. The dollar limitation for catch.
Those 50 and older can contribute an additional. In 2024, employers and employees together can contribute up to $69,000, up from a limit of.