Mega Backdoor Roth Limit 2024 Fidelity. The annual contribution limit is $7,000 for 2024, plus an extra $1,000 if you’re age 50 or older. 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.

You can’t contribute more than 100% of your salary,. In 2024, the contribution limit is $23,000 if you’re under 50 and $30,500 if you’re over 50.