Most companies no longer offer new employees a pension plan, which used to be the standard retirement program. Today, companies typically provide employer-sponsored retirement plans — often with some kind of employer match — in the form of a 401(k) and its close cousin, the Roth 401(k).
While the two plans similarly help you save for retirement, deciding between the traditional 401(k) or the Roth 401(k) means choosing between two different approaches to your taxes, so it’s important to understand what makes them different. What’s more, a clear understanding of how the two plans differ can allow you to use them in tandem, where possible, to help you tax-proof your portfolio and make retirement planning that much easier.
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Roth 401(k) vs. 401(k): What Are the Differences?
The two types of 401(k) plans are essentially the same — except for when you pay taxes on your retirement savings. A traditional 401(k) uses pretax wages for its contributions, but withdrawals are taxed like normal income. A Roth 401(k), on the other hand, uses money that you’ve paid taxes on for the contributions, so your withdrawals in retirement aren’t taxed.
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Here’s a breakdown of how each 401(k) plan works:
- Contribution: A traditional 401(k) takes pretax contributions, meaning the money that you deduct from your paycheck goes directly into your retirement account without having any taxes withheld.
- Withdrawal: When you withdraw money from a traditional 401(k), that money becomes taxable income. Additionally, if you make a withdrawal before age 59 1/2 — unless it’s for a qualified distribution — you’ll owe a 10 percent penalty plus normal income taxes.
- Required minimum distribution: You must take a required minimum distribution (RMD) each year from your 401(k) or pay a steep tax penalty beginning when you turn 70 1/2.
- Contribution: You contribute to a Roth 401(k) with after-tax dollars, so the contributions come out of your net pay after taxes have been taken out.
- Withdrawal: You’ll owe a tax penalty on money you pull out before the age of 59 1/2. However, you don’t owe any taxes upon withdrawal. Because you used the after-tax income for your contributions, the money is allowed to grow tax-free.
- Required minimum distribution: Starting at age 70 1/2, you have to take a required minimum distribution each year from your Roth 401(k). Otherwise, you’ll get slapped with a hefty tax penalty.
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When to Choose a Traditional 401(k)
If you do have to choose between a Roth 401(k) and a traditional 401(k), your personal financial situation — including your income and other retirement accounts — will usually determine the appropriate choice for you.
For high earners — and their higher tax rates — the ability to reduce taxable income by contributing to a 401(k) can help save a lot of money. You’re essentially putting off your tax payments until retirement when your income might not be as high and you can stay in a lower tax bracket.
It’s also important to think about the other retirement accounts you might have. If you already have a Roth IRA with significant savings, a traditional 401(k) will most likely be a better fit for you. After you reach 59 1/2, you’ll be able to limit your taxable income by strategically switching between those accounts to cover expenses.
When to Choose a Roth 401(k)
Roth 401(k) plans tend to make more sense for younger people and low-income earners. When you’re earning less, the benefits of avoiding taxes on your income are reduced because your current tax rate is lower.
“For younger investors who expect to advance in their careers and earn a higher income, contributing into Roth now can be a smart move since your standard of living and earnings will likely increase by retirement,” said Stuart Robertson, president, and general manager of Capital One Advisors. “In this scenario, you can expect to be in a higher tax bracket in retirement than you are early in your career, and you save on taxes by paying more today (at a lower rate) and pay less at retirement (when you will presumably be at a higher tax rate).”
If you already have a traditional IRA or a traditional 401(k) from a previous job, you might benefit from building up savings in a Roth account to create additional tax savings in retirement.
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Roth 401(k) vs. 401(k): Contribute to Both If You Can
So, the basic principle is clear. Regarding taxes on your 401(k) or Roth 401(k) account, it’s pay now or pay later — and there are solid reasons supporting either option. But if you can anticipate falling under a lower tax rate later in life, it makes a lot of sense to pay down the line.
“The higher your federal income tax bracket is today, the more attractive the traditional 401(k) is,” said Karen Lee, a certified financial planner at Karen Lee and Associates and author of “It’s Just Money, So Why Does It Cause So Many Problems?” “The younger you are, the longer your money will grow due to compounded earnings. Thus, the more potential gain you will have [and] the Roth 401(k) becomes more attractive.”
However, it’s not an all-or-nothing decision when it comes to Roth vs. traditional 401(k) plans — contributing to both is ideal. Balancing contributions to both accounts can mean having flexibility in your retirement income, especially once you include your Social Security benefits, to help keep your taxable income low.
Regardless, whichever 401(k) plan you choose for your investments, both are important tools in preparing for retirement, and the best plan is to contribute as much as you can now.
Click through to find nine smart strategies to maximize your 401(k) contributions.
More on 401(k) Plans in Retirement
- IRA vs. 401(k): 7 Tips for Choosing the Best Retirement Plan
- What is a Roth 401(k) — and Should I Have One?
- Can I Add More Money to My 401(k) Account Whenever I Want?
- Watch: Roth IRA vs. 401(k)
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