401k Contribution Limits 2024 Catch Up Total Cost. For 2024, the maximum you can contribute from your paycheck to a 401 (k) is $23,000. That means an active participant 50 or.
The 2025 401(k) contribution limit increased to $23,500, up from $23,000 in 2024. You can contribute a maximum of $7,000 (up from $6,500 for 2023).