Maximum 401k Contribution 2024 Over 55 Years. 48 rows  —  — what is the 401(k) contribution limit in 2024?.  — the basic employee contribution limit for 2024 is $23,000 ($22,500 for 2023).

 — the annual employee contribution limit for 401 (k) retirement plans is increasing from $22,500 to $23,000 in 2024. For 2024, the contribution limit increases again to $23,000.