2024 401 K Contribution Limits. Of note, the 2024 pretax limit that applies to elective deferrals to irc section 401(k), 403(b) and 457(b) plans increased from $22,500 to $23,000. For 2024, the 401(k) limit for employee salary deferrals is $23,000, which is above the 2023 401(k) limit of $22,500.

In 2023, this rises to $22,500. In 2022, the most you can contribute to a roth 401(k) and contribute in pretax contributions to a traditional 401(k) is $20,500.