Maximum 401k Contribution 2024. What is the maximum 401 (k). The 401 (k) contribution limit is the maximum amount an individual can contribute to their 401 (k) retirement account in a calendar year without facing tax penalties.

The 401 (k) contribution limit is the maximum amount an individual can contribute to their 401 (k) retirement account in a calendar year without facing tax penalties. In 2024, the 401 (k) contribution limit for participants is increasing to $23,000, up from $22,500 in 2023.