2025 Max 401k Contribution Over 50 Married. In 2025, the 401 (k) contribution limit for participants is increasing to $23,500, up from $23,000 in 2024. $23,500 annual employee elective deferral contribution limit (increases $500.

$23,500 annual employee elective deferral contribution limit (increases $500. 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.