401k Roth Ira Contribution Limits 2025. In 2025, the most you can contribute to a roth 401 (k) and contribute in pretax contributions to a traditional 401 (k) is $23,500. The annual contribution limits are much smaller for roth ira accounts than for 401(k)s.
Regular roth ira annual contribution limits apply. Employees age 50 and older can contribute an additional $7,500 for a total of $31,000.