Maximum Roth 401k Contribution 2025 Over 55. The base 2025 maximum 401k contribution limit for employees is $23,000 (+$500 versus 2023). The irs has increased the roth 401(k) contribution limit to $23,000 for 2025, up from $22,500 in 2023.
The overall 401(k) limits for employee and. In 2023, the limit was $6,500.