2024 401 Max Over 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. Here's how the 401 (k) plan limits will change in 2024:

Employees 50 or older can contribute up to $30,500 with catch. For 2024, the 401(k) contribution limit for employees is $23,000, or $30,500 if you are age 50 or older.