401k Maximum 2024 Contribution. The 2024 maximum 401k contribution limit will be $23,000, which is a an increase of $500 over the 2023 maximum 401k contribution limit of $22,500 (which had increased a. This brings the maximum amount they can contribute to their 401 (k)s to $30,500 in 2024 ($30,000 in 2023).

For 2023, the roth 401 (k). Be sure to take advantage.