401k Max 2024 Catch Up Contribution. If you are 50 or older, you can defer paying income tax on $30,000 in your 401(k) plan. For 2024, the maximum you can contribute from your paycheck to a 401 (k) is $23,000.
For individuals under 50, the standard 401 (k) contribution limit in 2024 23,000. Total 401(k) plan contributions by an employee and an employer cannot exceed $69,000 in 2024.