Traditional or Roth account? 2 tips to choose

Tax rates and your spending style can help you pick.

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Key takeaways

  • Choose between paying taxes now or in retirement. A tax benefit when your rate is the highest generally makes sense.
  • How good you are about saving is also something to keep in mind.
  • Having both a traditional and a Roth account (if you can) may be appropriate.

How do you choose between saving in a traditional retirement account and saving in a Roth? If you work for a large employer, you may be able to contribute to either a traditional 401(k) or 403(b), a Roth 401(k) or 403(b), or both. If you're self-employed, or if a 401(k) or 403(b) isn't offered where you work, you may need to choose between a traditional or Roth IRA, or both.

While a 401(k), 403(b), and IRA are different types of accounts, the basic principles of a traditional and a Roth account apply to all. So, how should you choose between a traditional and a Roth account? It's a complex question, and you should consult with a tax advisor to be sure, but here are 2 tips to keep in mind.

Tip 1: Tax rates—higher now or later?

Retirement accounts like 401(k)s, 403(b)s, and IRAs have a lot in common. They all offer tax benefits for your retirement savings—like the potential for tax-deferred or tax-free growth. The key difference between a traditional and a Roth account is taxes. With a traditional account, your contributions are generally pretax. They generally reduce your taxable income and, in turn, lower your tax bill in the year you make them. Consequently, you'll typically pay income taxes on any money you withdraw from your traditional 401(k), 403(b), or IRA in retirement.

A Roth account is the opposite. Contributions are made with money that has already been taxed (your contributions don't reduce your taxable income), and you generally don't have to pay taxes when you withdraw the money in retirement.1

This means you need to choose between paying taxes now or in retirement. You may want to get the tax benefit when you think your tax rates are going to be the highest. In general:

  • If you believe your tax rate will be significantly higher in retirement than it is now, a Roth account may make sense, because qualified withdrawals are tax-free.
  • If you believe your tax rate will be significantly lower in retirement than it is now, a traditional account may be more appropriate, because you will pay a lower tax on your withdrawals.
  • If you have no idea what your future tax rate will be, Tip 2 below, which has to do with how you manage your money, can also help you decide. Splitting your retirement money between both types of accounts may be an idea for you too.

Tip 2: Money style—spender or saver?

Some people spend all of their available money, some people tend to save it. That's no judgment against spenders: How you manage your money can help you choose which type of account may make sense for you.

Traditional accounts preserve more money to spend today while Roth accounts provide more money to spend in the future. Traditional 401(k), 403(b), and IRA contributions leave money in your pocket because they generally lower your current taxable income. But these tax savings can help you reach your retirement goal only if you invest them. If you spend your tax savings, it's not going to help you when you retire.

On the other hand, a similar contribution amount to a Roth account reduces the amount of money left in your pocket, because you pay taxes on your contributions up front. If you’re like many people who tend to spend their take-home pay, opting for a Roth and thus having less available to spend might be a good thing when it comes to your retirement savings. In other words, because you’ve already paid your taxes today, you get more to spend tomorrow.

The following hypothetical illustration can demonstrate how this works. Consider 3 investors: Sara, Brian, and Sam. They each will save $5,000 this year, invest the money in an IRA earning a constant 7% per year, and then compare their balances 30 years from now. Sara uses a traditional IRA, and she is a disciplined saver. She will invest the tax refund she gets for contributing to a traditional IRA in a taxable brokerage account. Brian and Sam, unlike Sara, are both spenders, meaning that they tend to spend whatever pay they take home, including whatever tax refund their IRA contributions may help generate. But while Brian, like Sara, uses a traditional IRA, Sam uses a Roth IRA.

As you can see, Brian has the lowest balance after 30 years, since he chose the traditional IRA and spent the entire tax refund that he received as a result of his use of the traditional IRA. His $5,000 contribution grows to $38,061, but when he withdraws the money in retirement, he has to pay about $9,134 (or 24%) in taxes—so he ends up with $28,927.2

Sara ends up with more than Brian because she invests her $1,200 tax refund in a brokerage account. However, the returns in a brokerage account are lower because of the effects of taxes along the way—in this case, we will assume the returns are 6% per year instead of 7%. After paying taxes on the proceeds from her traditional IRA in retirement, she has the same amount as Brian: $28,927. After investing her refund and getting a 6% annual return, Sara will have $6,892 in her taxable account after 30 years, so she'll have a total of $35,819.2,3

Sam ends up with the most. His Roth IRA, like Sara and Brian's traditional IRAs, grows to $38,061, but unlike them he doesn't have to pay any tax when he withdraws the money. The Roth IRA gives Sam 2 advantages over the other 2 investors:

  • First, the Roth IRA captured all of Sam's tax savings—so unlike Brian, he's safe from the temptation to spend it before retirement.
  • Second, unlike Sara, Sam was able to ensure that all of his savings were able to grow at the 7% rate in the retirement account.

This shows that in some cases, a Roth IRA might actually be an easier way to reach your savings goals, because for those who are tempted to spend—like Brian—it removes temptation; and even for those who are not—like Sara—it can lead to higher after-tax returns.

But remember, that's not the whole story. Our example doesn't take into account possible changes in Sara, Brian, and Sam's future tax rates. If, in retirement, any of them were in a lower tax bracket than they are now, at age 35, that would tend to tilt the scales in favor of a traditional IRA. Conversely, if any of them were in a higher tax bracket in retirement, that would tend to favor a Roth IRA.

This example uses a Roth IRA. The ability to contribute to a Roth IRA is phased out at higher incomes; not everyone may qualify to contribute to a Roth IRA.4,5 Workplace accounts like a 401(k) or 403(b) don't have these income limits on Roth contributions when an employer offers the option. It's important to find out what you can do before deciding what you should do when it comes to these accounts.

What about both?

In some cases, it may be appropriate to contribute to both a traditional and a Roth account if you can. That can give you taxable and tax-free withdrawal options when it comes time to take withdrawals in retirement. Financial planners call this strategy—using both types of contributions—tax diversification. It can make sense for those who aren't sure about their future tax picture. Plus, it gives you the ability to manage your tax brackets in retirement, which can be very advantageous for certain retirees. In a nutshell, the source of your withdrawals and the sequence in which you tap those sources can be very important for managing your taxes in retirement.

Read Viewpoints on Fidelity.com: 4 tax-efficient strategies in retirement.

It's important to note that if you get an employee match or profit sharing contribution from your employer to your 401(k) or 403(b) plan, those contributions are typically to a traditional 401(k) or 403(b)—even if you are making only Roth contributions. So you may already be contributing to both types of accounts. Check with your employer to be sure.

Deciding

So the message is this: It's important to know the numbers and think about your current and future tax rates when planning for retirement. It's important to know yourself and the way you handle money too.

Next steps to consider

Take advantage of potential tax-deferred or tax-free growth.

Determine if you're contributing enough to your savings.

4 easy guidelines to help you reach your retirement goals.

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This information is intended to be educational and is not tailored to the investment needs of any specific investor.

1. A distribution from a Roth 401(k)/403(b) is tax free and penalty free, provided the five-year aging requirement has been satisfied and one of the following conditions is met: age 59½, disability, or death. A distribution from a Roth IRA is tax free and penalty free, provided the five-year aging requirement has been satisfied and one of the following conditions is met: age 59½, disability, qualified first-time home purchase, or death.
2. Tax-deferred earnings and taxable contributions will be taxed at the time of withdrawal at the federal income tax rate in effect at the time. Past performance is no guarantee of future results.
3. In this example, we assume that the investments will have grown at 6% annually. Why the lower rate? Because as Sara invests, she may have to pay taxes on her brokerage account earnings, and we are assuming those taxes will reduce her return from 7% pretax to 6% after tax (this is just an example—the reduction in return due to tax could be more or less than 1%).
4. For tax year 2018, if you're single or file as head of household, the ability to contribute to a Roth IRA begins to phase out at MAGI of $120,000 and is completely phased out at $135,000. If you're married filing jointly, the phaseout range is $189,000 to $199,000.
5. Note that in theory Sara could have tried to save more than $5,000 in her traditional IRA, so that she would end up in the same place as Sam even without making any taxable investments. But in practice, this would require her to make some calculations that can be complex, and in any case contribution limits may make it impossible. In 2018, for example, the maximum traditional IRA contribution for those under 50 is $5,500, so while Sara could have saved a bit more to her traditional IRA, she could not have saved enough to put her on par with Sam.

Investing involves risk, including risk of loss.

Fidelity does not provide legal or tax advice. The information herein is general and educational in nature and should not be considered legal or tax advice. Tax laws and regulations are complex and subject to change, which can materially impact investment results. Fidelity cannot guarantee that the information herein is accurate, complete, or timely. Fidelity makes no warranties with regard to such information or results obtained by its use, and disclaims any liability arising out of your use of, or any tax position taken in reliance on, such information. Consult an attorney or tax professional regarding your specific situation.

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