2024 401k Max Contribution Rates 2024.  — the contribution limit for simple 401 (k)s is $16,000 (up to $19,500 if you're 50 or older). What is the 401(k) contribution limit in 2024?

 — the basic employee contribution limit for 2024 is $23,000 ($22,500 for 2023). The 2024 401(k) individual contribution limit is $23,000, up from $22,500 in 2023.