Max 401k Contribution 2024 Over 55. Personal contribution limits for 401 (k) plans increased in 2024 to $23,000—up $500 from $22,500 in 2023—for people under age 50. The 401(k) contribution limit is $23,000 in 2024.

The 2024 401 (k) individual contribution limit is $23,000, up from $22,500 in 2023. The contribution limits for individual retirement accounts (iras).