2025 401k Contribution Limits 2025 Married. For heads of household, the 2025 is $57,375, up from $54,750. By exceeding your 401(k) contribution limits for 2025, you’re essentially underpaying your income taxes.

The limit on total employer and employee contributions for 2023 was $66,000. The combined limit for employee and employer contributions is $69,000.