Roth 401k Limits 2024 Income. In 2024, the limit if you're under 50 is $23,000. The roth ira income limit to make a full contribution in 2024 is less than $146,000 for single filers, and less than $230,000 for those filing jointly.

In 2023, the most you can contribute to a roth 401(k) and contribute in pretax contributions to a traditional 401(k) is $22,500. You can contribute $23,000 in 2024 ($30,500 for those age 50 or older).