Why the Front Door Is Locked: The Origins of the Backdoor Roth IRA
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Nothing causes more consternation on the WCI website and its readers than the Backdoor Roth IRA. Dr. Jim Dahle has complained for years about how many ways phenomenally intelligent people can come up with new ways to screw up this process. It seems pretty easy: contribute to a traditional IRA, wait for the money to settle, and then convert that money into a Roth IRA. Easy peasy. Or is it?
One of WCI’s longest posts on the WCI Forum is in regard to botching this maneuver. What if I have a few pennies in the traditional IRA after conversion? What if it’s a few hundred bucks? Wait, I contributed in December but didn’t do the conversion to Roth until January—am I screwed? Yada, yada, yada, and so on and so forth.
All this angst led me to the question of how the heck did it come to this in the first place? Why is the front door locked to high-income investors? What follows is a little history on the Roth IRA, when the backdoor was left open for us, and why the government has us do this process.
The Roth IRA Origin
The Roth IRA was created through the effort of its namesake, Sen. William Roth of Delaware, through the Taxpayer Relief Act of 1997. Up until that point, only medium- to high-income earners were incentivized to save for retirement, given that traditional IRA contributions are tax-deductible at higher-income tax brackets compared to the lower-income tax brackets of their retirement years. However, lower-income earners who were in lower tax brackets during their working years were barely paying any taxes, if at all, on their income, and so they weren’t incentivized to save for retirement in a traditional IRA.
With the advent of the Roth IRA, lower earners could pass up the tax deduction now and never pay tax on that money again. What a great deal! Because of this revolutionary concept, the Roth IRA was initially nicknamed the “American Dream IRA.”
Initially, Roth IRAs were available to anyone who met certain eligibility requirements, regardless of income. And boy, was it popular. Contributions to IRAs jumped from 4.1 million people to 7.1 million people when the Roth was introduced. Many of these new IRA contributions were actually coming from high-income earners, causing some concern that many of the rich would be taking advantage of this opportunity to dodge a significant amount of future tax (think Peter Thiel).
As a result, Congress introduced income limits for Roth IRA contributions under the Economic Growth and Tax Relief Reconciliation Act of 2001 (EGTRRA). The limits prevented high-income earners from contributing directly to Roth IRAs, which stand even today. Congress was hoping these income limits would ensure that the tax benefits of Roth IRAs were targeted at middle- and lower-income workers, rather than high-income earners who already had the benefit of traditional retirement savings. At that time, these limits would phase out starting at $95,000-$110,000 filing single, $150,000-$160,000 Married Filing Jointly. They have increased with inflation up to the income limits we see today. In 2026, the limits are $153,000-$168,000 for single and $242,000-$252,000 for MFJ [visit our annual numbers page to get the most up-to-date figures].
More information here:
Enter the Backdoor
After the income limits were set in place in 2001, many high-income earners lobbied to bring back their ability to utilize the tax advantages of the Roth IRA. This was enabled by the Tax Increase Prevention and Reconciliation Act of 2005 (TIPRA). This law eliminated the income limitations on MFJ and single filers that previously restricted Roth IRA conversions, effective in 2010. Now, high-income earners could convert any amount of traditional IRA money into Roth and pay ordinary income tax on that money.
It seems at first glance that Congress did an amicable gesture in allowing their high income-earning constituents access to the Roth. But notice that you have to pay tax on the conversion of money you had originally taken as a tax deduction. That’s right, the government gets a revenue bump by doing this, so the government’s intentions were not entirely altruistic. Also notice that it took five years after the TIRPA passed for income limits on Roth conversions to be removed. What’s up with that? Had Congress gone completely mad, and just wanted to make things that much more complicated?
This might be diving into the weeds, but yes, Congress’ true intention wasn’t to allow the Backdoor Roth (for which you don’t pay any tax, given the money is a non-deductible contribution that you are converting) but rather to create revenue from originally tax-deductible contributions to offset the tax losses the government would suffer from tax breaks outlined elsewhere in the TIPRA.
According to an article in the journal Yale Law & Policy Review titled, “Slam the Door: Why Congress Should End the Backdoor Roth IRA,” TIPRA wanted to extend reduced capital gains and dividends tax rates, resulting in long-term budget deficits. Under Senate rules, you can’t run a deficit on a reconciliation bill without a 60-vote override, which the Senate Republicans did not have at the time. So, the income limitation on Roth conversions was removed as a source of revenue to balance out that deficit, and voila, the Backdoor Roth was born.
But why wait five years to remove the income restrictions on Roth conversions? Why not remove them immediately and get the tax revenue without delay? Well, these Roth conversions among the high earners were predicted to only bring in revenue for the first five years of existence. After five years, the ability to do Roth conversions among high-income earners was actually projected to produce a deficit. Kind of makes sense when you think about it, as the government would have taxed the money in traditional IRAs eventually in the form of RMDs. Allowing for conversions among high earners only accelerates paying tax sooner on their traditional IRA money to avoid a larger RMD tax bill later. Since the Congressional Budget Office uses a 10-year projection for any tax law that goes into effect, the income restrictions being lifted were delayed by five years so the budget would only see the positive tax revenue with the TIPRA, and not the negative tax revenue in the later five years. Obviously, this worked as TIPRA was passed without any budget hiccups, and now there are no income restrictions on doing Roth conversions.
Whew, that is confusing! And amid all this confusion was an unintentional loophole that was created that’s now known as the Backdoor Roth strategy. For the uninitiated, the Backdoor Roth involves a legal workaround to the income limits on direct Roth IRA contributions. There is no income limit to make a non tax-deductible contribution to a traditional IRA. Once you do that, you convert that non tax-deductible contribution in the traditional IRA into your Roth IRA and BAM! Now you have money in your Roth IRA, as if you had just contributed directly to it. The Backdoor Roth IRA takes advantage of the rules governing traditional IRAs and Roth IRAs to create a loophole that allows high earners to contribute to a Roth IRA indirectly.
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A Little (a Lot of) Controversy
Although the Backdoor Roth IRA is entirely legal, its legality has been questioned regarding violating the Step Transaction Doctrine, a judicial doctrine that considers a series of events in combination and considers its outcome as if the outcome came from a single event. It was designed to prevent tax loopholes, such as what seems to be occurring with the Backdoor Roth. According to a Kitces.com article, the Step Transaction Doctrine would examine the overall result of the transaction—that dollars went from a taxable account and ended up in a Roth. It would not care and would ignore that the taxpayer contributed to a traditional IRA first because the sole purpose of that traditional IRA contribution was to get it into a Roth IRA.
It would seem that the Backdoor Roth would fall prey to this doctrine, and it has been recognized as a problem by many in the financial industry. However, Michael Kitces wrote, “In the end, the contribute-and-then-convert strategy is not expressly prohibited by the tax code, but the IRS does have the right to tax a transaction according to its true economic reality.” Years passed, and the IRS never called people out on utilizing the Backdoor Roth. The 2018 Tax Cuts and Jobs Act (TCJA) essentially gave its blessing on the Backdoor Roth, stating in Footnote 268:
268: Although an individual with AGI exceeding certain limits is not permitted to make a contribution directly to a Roth IRA, the individual can make a contribution to a traditional IRA and convert the traditional IRA to a Roth IRA, as discussed below.
Despite the TCJA blessing, it has drawn some attention from policymakers. In recent years, there has been talk of closing the Backdoor Roth loophole. Some lawmakers have argued that the strategy disproportionately benefits the wealthy, allowing them to take advantage of tax-free growth in a way that middle- and lower-income individuals cannot. They cite the aforementioned Peter Thiel, whose Roth IRA totals around $5 billion.
Despite these concerns, the Backdoor Roth IRA remains alive and well, and I’m not so sure that the government is really losing out on much money as the initial projections with the TIPRA suggested. Without any data, the government might actually be making a profit. As we publish this, Jim’s How to Do Backdoor Roth IRA tutorial has more than 3,600 comments. Many of those comments involve screwups, including being subject to the pro rata rule, reporting Form 8606 incorrectly, and other mishaps that end up paying more money to the government. If the government were to close the back door, it might be eliminating an unprojected source of income when the original TIPRA was passed.
More information here:
- 17 Backdoor Roth IRA Mistakes to Avoid
- The Backdoor Roth IRA When Life Is in Flux (and Why to Beware a Contribution in January)
The Bottom Line
The Backdoor Roth IRA is a critical strategy for high-income earners to access the tax advantages of a Roth IRA despite the income limits imposed on direct contributions. It was born out of our government’s need to access revenue faster that was locked in our traditional IRAs. It’s ironic that our government’s lack of delayed gratification is responsible for the existence of the Backdoor Roth, where individuals who practice delayed gratification benefit most from the Roth.
But for governments, like individuals, delayed gratification is a hard practice. Regardless of its unintentional existence and continued controversy, the Backdoor Roth has become a cornerstone of retirement planning for high-income earners and WCIers. It remains a valuable tool for individuals to diversify the taxation of their retirement income, enabling a more successful and happier retirement.
What do you think of the Backdoor Roth? Have you made mistakes before? Are you as annoyed as everybody else that you can’t just contribute directly? Are you surprised by the government bureaucracy that resulted in the Backdoor Roth?
The post Why the Front Door Is Locked: The Origins of the Backdoor Roth IRA appeared first on The White Coat Investor – Investing & Personal Finance for Doctors.
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