2024 401k Contribution Limit Catch Up. In 2024, the 401(k) contribution limit for participants is increasing to $23,000, up from $22,500 in 2023. Therefore, if you are over 50, your total 401k contribution limit for 2024 is $23,000 + $7,500.
Starting in 2025, the secure 2.0 act. The 401(k) contribution limit is increasing in 2025.