2025 Max 401k Contribution 50 Year Olds Over 65. The 401(k) retirement maximum contribution limit has been raised from $22,500 to $23,000 for elective deferrals in 2025, with the maximum contribution increasing from $66,000 to $69,000. 401(k) plan limits 2025 2025 change;
Over the age of 50? The limit on employer and employee contributions is $69,000.