2024 401k Max Contribution Limits Over 50. For 2024, the annual limit on employee contributions to a 401(k) is $23,000 for workers under age 50. 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 401 (k) compensation limit is $345,000. The income thresholds to be eligible for a.