2024 401k Contribution Limit Over 50. The 401 (k) contribution limit for 2024 is $23,000. In 2024, the 401 (k) contribution limit for participants is increasing to $23,000, up from $22,500 in 2023.
Contributions to 401 (k)s can be automatically deducted from your paycheck. The 401 (k) contribution limits for 2023 sit at $22,500 for retirement savers under 50 and $30,000 for those 50 and over.