What Is a Backdoor Roth IRA? How to Get Around Income Limits

High-income investors might use strategy around Roth IRA limits.

Roth IRA rules limit the amount of money you can earn and still make a contribution. However, there is a legal strategy you can employ to get money into a Roth IRA, even if you exceed the Roth IRA income limits. This technique is known as a backdoor Roth IRA. Here’s a look at the current Roth IRA contribution income limits, how you can get around them, and why you might want to invest in a backdoor Roth IRA.

Maximum Income for Roth IRA

The IRS uses your modified adjusted gross income to determine if you qualify to make the maximum Roth IRA contribution, which is $5,500 for 2018, or $6,500 if you’re age 50 or older. If you exceed the Roth IRA max income to make a full contribution, there’s a range of income in which the IRS allows you to make a reduced contribution. And there are Roth IRA limits above which you can’t make any Roth contribution at all. The ranges, based on different filing statuses, are as follows:

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  • Married filing jointly: MAGI less than $189,000, full contribution; MAGI at least $199,000, no contribution
  • Single, head of household, married filing separately: MAGI less than $120,000, full contribution; MAGI at least $135,000, no contribution
  • Married filing separately: MAGI less than $10,000, reduced contribution; MAGI $10,000 or more, no contribution

How to Set Up a Backdoor Roth IRA

A backdoor Roth IRA sidesteps Roth IRA income limitations by funneling money through a traditional IRA. A traditional IRA has no income limits for contributions, unlike a Roth IRA, so you can open a traditional IRA no matter what your income is. Once you’ve established your traditional IRA, you can either convert it to a Roth IRA or transfer the money to an existing Roth. Either way, the procedure for a backdoor Roth IRA is the same: You make a contribution to a traditional IRA, and then you convert that money to a Roth IRA.

Related: A Beginner’s Guide to Roth IRAs

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Tax Considerations for a Backdoor Roth IRA

An important consideration in the backdoor Roth IRA strategy is the taxation of the transfer. Your traditional IRA was likely funded with pre-tax money, which means you took a tax deduction when you made your original contribution. Roth IRAs are funded with after-tax money, meaning if you transfer money from your traditional IRA to a Roth IRA, the entire balance becomes immediately taxable. The IRS does allow nondeductible contributions to traditional IRAs, which are made after-tax.

If you transfer after-tax contributions from a traditional IRA to a Roth IRA, you might expect that your transfer would be tax-free — and if that is your only IRA, you’d be correct. However, the IRS doesn’t allow you to “cherry pick” which of your traditional IRA contributions convert to a Roth. Rather, it considers all of your IRA balances to be one large account, no matter how spread out they are. Thus, if you have $10,000 in a nondeductible IRA and $90,000 in a pre-tax IRA, 90 percent of whatever money you transfer to your Roth IRA will still be taxable, regardless of which account you draw from.

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Benefit of a Backdoor Roth IRA

The reason some investors want their money in a Roth IRA rather than a traditional IRA is for the tax benefit in retirement. Whereas both pre-tax contributions — and all earnings — in a traditional IRA are taxable upon distribution, neither contributions nor earnings are taxable when you withdraw them from a Roth IRA. Although you’ll pay a 10 percent penalty if you take your money out before age 59.5 — just as you would with a traditional IRA — your money always grows tax-free in a Roth. Another benefit is that there are never any mandatory distributions from a Roth IRA; with a traditional IRA, mandatory distributions begin after you turn age 70.5.

See Which Retirement Plan Is Best for You: Roth vs. Traditional IRA

Time Might Be Ticking

The backdoor Roth IRA has been available since 2010. Since then, the IRS has not offered any official statements about the strategy. Some advisors are of the opinion that the process falls under what is known as the step-transaction rule, and that the IRS at some point will impose penalties on the method. If you’re considering a backdoor Roth IRA, talk with a financial advisor or an accountant about whether or not the technique could be appropriate for you.

Up Next: The Best Retirement Plans All Have These 6 Features

About the Author

John Csiszar

After earning a B.A. in English with a Specialization in Business from UCLA, John Csiszar worked in the financial services industry as a registered representative for 18 years. Along the way, Csiszar earned both Certified Financial Planner and Registered Investment Adviser designations, in addition to being licensed as a life agent, while working for both a major Wall Street wirehouse and for his own investment advisory firm. During his time as an advisor, Csiszar managed over $100 million in client assets while providing individualized investment plans for hundreds of clients.

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