2024 401k Contribution Limit Over 55. The contribution limit for simple 401 (k)s is $16,000 (up to $19,500 if you're 50 or older). The total maximum allowable contribution to a defined contribution plan (including both employee and employer contributions) is expected to rise by $2,000.
What is the 401(k) contribution limit in 2024? For 2024, the 401(k) contribution limit for employees is $23,000, or $30,500 if you are age 50 or older.