401k Contribution Limits 2025 Employer. In 2025, the 401 (k) contribution limit for participants is increasing to $23,000, up. The 401(k) contribution limit is $23,000.
For 2025, the 401(k) limit for employee salary deferrals is $23,000, which is above the 2023 401(k) limit of $22,500. The limit on employer and employee contributions is $69,000.