Mega Backdoor Roth Contribution Limit 2025 Over 50. If your employer matched any of your yearly contributions, your mega backdoor roth amount will be that much. In 2025, the mega backdoor roth strategy allows 401(k) contributions up to $69,000 for those under age 50 and.

Mega backdoor roth contribution limits. A mega backdoor roth refers to a strategy that can potentially allow some people who would be ineligible to contribute to a roth account, based on their income or contribution limits, to transfer.