2024 Max 401k Contribution Catch Up Over 50. Workers ages 50 and older have a higher annual 401 (k) contribution limit than their younger peers. 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.
You can contribute to more than one. This dollar amount is the same as in 2023.