2024 Irs 401k Contribution Limits. The irs has announced new 401(k) contribution limits for 2025. The irs also announced defined benefit plan limits for 2025.
The 401(k) contribution limits can be broken down into two types: 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.