Maximum 401k Contribution 2024 Over 55 Years. Savers will be able to contribute as much as $23,000 in 2024 to a 401(k), up from $22,500 in 2023, an increase of $500 from 2023. In 2024, people under age 50 can.

401 (k) contribution limits for 2024. The contribution limit on individual retirement accounts will increase by $500 in 2024, from $6,500 to $7,000.