Mega Backdoor Roth Contribution Limit 2024 Over 55. In some cases, this is only allowed once participants reach age 55. The resulting maximum mega backdoor roth ira contribution for 2024 is $46,000, up from $43,500 in 2023 if your employer makes no 401(k) contributions on your behalf.

If you’re under 50, you can contribute up to $23,000 and if you’re 50 or older you can contribute up to $30,500 ($23,000 plus a. A unique tax strategy with no upper limit on income for eligibility.