2024 Max 401k Contribution Catch Up Limit. For 2024, the limit for 401(k) plan contributions is $23,000, up from $22,500 last year, according to the irs. Total 401(k) plan contributions by an employee and an employer cannot exceed $69,000 in 2024.

The maximum amount you can contribute to a 401 (k), traditional or roth, in 2024 is $23,000, or $30,500 if you are 50 or older. For 2024, the maximum you can contribute to a simple 401 (k) is $16,000.