2024 Roth 401k Catch Up Contribution Limits. The 401(k) contribution limit for 2025 is $23,500. The roth 401(k) contribution limit for 2024 is $23,000 for employee contributions and $69,000 total for both employee and employer contributions.

Learn more about changes to. Learn how 401 (k) retirement plans work and get answers to questions on contribution limits, distributions, and more.