401k Limits 2024 Catch Up Age. Contribution limits for a roth 401 (k) are the same as for a traditional 401 (k). Those 50 and older can contribute an additional.

Secure act 2.0 builds on the 2019 secure act and introduces several changes affecting the thrift savings plan (tsp). In 2024, people under age 50 can contribute $23,000.