2024 Max 401k Contribution Limits Over 50. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit will go up to $23,000 in 2024. 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.

401(k) contribution limits in 2024 and 2025. You can contribute to more than one.