2024 401k Max Contribution Limits Over 50. 401 (k) contribution limits in 2023 and 2024. In 2024, employers and employees together can contribute up to $69,000, up from a limit of $66,000 in 2023.
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) employee contribution limits increase in 2024 to $23,000 from $22,500 in 2023.