401k Contribution Limits 2024 Over 50 Married. 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. Those same limits apply to 403 (b) plans, most.

The contribution limit for employees who have a 401(k) plan is $23,000 in 2024. Employees can contribute up to $23,500 to their 401 (k) plan for 2025 vs.