Annual Roth 401k Contribution Limit 2024. For tax year 2023, the most you could contribute to a roth 401 (k), a traditional 401 (k), or a combination of the two was $22,500. The 2024 contribution limit for employees who participate in 401(k), 403(b), and most 457 plans, as well as the federal government’s thrift savings plan is increased to $23,000, up from $22,500.
2024 401 (k) elective deferral limit is $23,000, increasing to $23,500 in 2025. That’s a $500 bump up from 2024.
