2024 401k Limits Contributions Over 50. The 401 (k) contribution limits for 2024 are $23,000 for individuals under 50, and $30,500 for those 50 and older. In 2024, the 401 (k) contribution limit for participants is increasing to $23,000, up from $22,500 in 2023.

The income thresholds to be eligible. The 401(k) contribution limits for 2023 sit at $22,500 for retirement savers under 50 and $30,000 for those 50 and over.