2025 401k Roth Contribution Limit Over 50. In 2025, the 401 (k) contribution limit for participants is increasing to $23,500, up from $23,000 in 2024. For the 2025 tax year, the irs is increasing the annual contribution limit for 401(k) plans by $500 from the current limit of $23,000 in 2024 to $23,500 in 2025.
This limit applies to all. For those who are age 50 and older, you can contribute an additional $1,000 annually, bringing your total to $8,000, the same as it was last year.
