New 401 K Contribution Limits 2024. What are 2024 contribution limits for a roth 401(k)? Regardless of your income, the maximum 401(k) contribution limits for 2024 will also apply.
Those 50 and older can contribute. The contribution limit for 401 (k), 403 (b), thrift savings plans and most 457 plans will be $23,000 in 2024, rising from $22,500 in 2023.