2024 401k Catch Up Contribution Limit. Employees 50 or older can contribute up to $30,500 with catch. The limit on employer and employee contributions is $69,000.

Bringing the total deferral to $34,250. 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.