401 K Plan Contribution Limits 2024 Calendar. 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. Total contributions to a solo 401 (k) cannot exceed $69,000 or $76,500 for those at least aged 50.
In 2024, the combined contribution limit is increasing to $69,000, up from $66,000 in 2023. The total overall 401 (k) contribution limit for 2024, which includes employer matching contributions and nonelective contributions, is $69,000.