Fidelity Total 2024 401k Contribution. Those 50 and older can contribute an additional $7,500. The 2024 401 (k) contribution limit is $500 higher than this year’s $22,500 max, which reflected a major increase from the 2022 limit of $20,500.

Here’s how the 401 (k) plan limits will change in 2024: In 2023, the 401 (k) contribution limit for employees is $22,500.