401 K Limits 2024 Catch Up. Total 401(k) plan contributions by an employee and an employer cannot exceed $69,000 in 2024. For 2024, the maximum you can contribute from your paycheck to a 401(k) is $23,000.

401(k) contribution limits for 2024. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit will go up to $23,000 in 2024.