Retirement Accounts

What is a Roth 401(k)?

Unlike a Traditional 401(k), a Roth 401(k) involves contributing money after you pay taxes. This means that at retirement, you’ll enjoy tax-free distributions.

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R. Tyler End, CFP®

Published February 3rd, 2024

Updated March 31st, 2024

Table of Contents

Key Takeaways

A Roth 401(k) combines the features of a Traditional 401(k) with the tax setup offered by a Roth IRA.

With a Roth 401(k), you pay taxes on the funds before they’re put into the account.

Roth 401(k) participants receive tax-free distributions when they take the money out at retirement.

Traditional 401(k) accounts have their benefits--namely that they let you put money in before you've paid taxes on it. But there's a price associated with that tax-free contribution. You pay taxes when you take the money out, likely after you've left the workforce to enjoy retirement.

Enter the Roth 401(k). Like a Traditional 401(k), you put money in to fund your retirement. But unlike a Traditional 401(k), a Roth 401(k) has you putting the money in after you pay taxes. That means at retirement, you'll enjoy tax-free distributions.

What Is a Roth 401(k)?

A Roth 401(k) combines the features of a traditional 401(k) with those of a Roth IRA, offering employees a unique retirement savings option. Introduced in 2006, this retirement account allows workers to contribute after-tax dollars, which grow tax-free, with tax-free withdrawals in retirement, provided certain conditions are met.

Key Features of a Roth 401(k)

After-Tax Contributions: Unlike traditional 401(k)s where contributions are made with pre-tax dollars, Roth 401(k) contributions are made with after-tax income. This means you pay taxes on the money now, but benefit from tax-free growth and withdrawals later.

Tax-Free Withdrawals: In retirement, both your contributions and earnings can be withdrawn tax-free, as long as you are at least 59½ years old and have held the account for five years or more.

No Income Limits: Roth 401(k)s do not have income limits for contributions, making them accessible to high earners who might be phased out of contributing to a Roth IRA.

Employer Match: If your employer offers matching contributions, these will go into a separate, pre-tax account, even if your contributions are to a Roth 401(k). The employer's match and its earnings will be taxed upon withdrawal.

Required Minimum Distributions (RMDs): Similar to traditional 401(k)s and unlike Roth IRAs, you must start taking minimum distributions from a Roth 401(k) at age 72. However, you can roll over your Roth 401(k) into a Roth IRA to avoid RMDs.

Benefits of a Roth 401(k)

Tax-Free Retirement Income: The Roth 401(k) offers the advantage of tax-free withdrawals in retirement, which can be particularly beneficial if you expect to be in a higher tax bracket later on.

Flexibility: Having both a traditional and a Roth 401(k) gives you the flexibility to adjust your retirement planning based on your current tax situation and future income expectations.

Simplified Estate Planning: The tax-free nature of withdrawals extends to your heirs, making Roth 401(k)s a strategic choice for those concerned with estate planning.

Example of a Roth 401(k)

To illustrate how a Roth 401(k) operates and its potential benefits, let's consider a hypothetical scenario involving an employee named Alex.

Background

Age: 30 years old

Annual Salary: $60,000

Tax Bracket: Currently in the 22% federal tax bracket

Retirement Age Goal: 65 years old

Scenario

Alex decides to contribute $5,000 annually to a Roth 401(k) plan offered by their employer. Since contributions to a Roth 401(k) are made with after-tax dollars, Alex pays taxes on this money at their current rate before it goes into the account.

Contribution Phase

Annual Contribution: $5,000

Contribution Period: 35 years (from age 30 to 65)

Tax Treatment: Alex pays 22% federal tax on the $5,000 contribution, which amounts to $1,100. Therefore, $3,900 of Alex's salary goes into the Roth 401(k) each year after taxes.

Growth

Assuming an average annual return of 7% on the Roth 401(k) investments:

Total Contributions Over 35 Years: $175,000

Account Value at Age 65: Approximately $611,730

Withdrawal Phase

At age 65, Alex begins to withdraw from their Roth 401(k). Since the account has been held for more than five years and Alex is over 59½ years old, both the contributions and the earnings ($436,730 in earnings) can be withdrawn tax-free.

Comparison to a Traditional 401(k)

If Alex had chosen a traditional 401(k) instead, the $5,000 contributions would have been made pre-tax, reducing their taxable income each year but resulting in a tax liability upon withdrawal in retirement. If Alex is in a higher tax bracket upon retirement, the tax impact on withdrawals could be significant, potentially making the Roth 401(k) the more advantageous choice.

Benefits for Alex

  • Tax-Free Growth: The earnings on Alex's contributions grow tax-free, which can result in significant savings, especially if the tax rate is higher upon retirement.
  • No RMDs if Rolled Over: If Alex decides to roll over the Roth 401(k) into a Roth IRA upon retirement or leaving the job, they can avoid required minimum distributions (RMDs) and allow the account to continue growing tax-free throughout retirement.
  • Flexibility: Having a Roth 401(k) gives Alex options for managing tax liabilities in retirement, providing flexibility in drawing down retirement savings.

Key Takeaway

This example highlights the potential tax advantages and growth opportunities offered by a Roth 401(k). For employees like Alex, who anticipate being in a higher tax bracket in retirement or who value the certainty of tax-free withdrawals, a Roth 401(k) can be an effective component of a comprehensive retirement strategy.

Roth 401(k) vs. Traditional 401(k)

When planning for retirement, one of the key decisions you'll face is choosing between a Roth 401(k) and a Traditional 401(k). Both options offer unique tax advantages and can be pivotal components of your retirement strategy, but they serve different financial situations and goals. Understanding the distinctions between them can help you make an informed decision that aligns with your long-term financial planning.

Tax Treatment

Roth 401(k): Contributions are made with after-tax dollars, meaning you pay taxes on the money now. However, both your contributions and earnings are tax-free when withdrawn in retirement, provided certain conditions are met.

Traditional 401(k): Contributions are made with pre-tax dollars, reducing your taxable income for the year you contribute. Taxes are deferred until you withdraw funds in retirement, at which point withdrawals are taxed as ordinary income.

Withdrawal Rules

Roth 401(k): Withdrawals of contributions and earnings are tax-free in retirement, as long as the account has been open for at least five years and you are at least 59½ years old.

Traditional 401(k): Withdrawals are taxed as ordinary income, regardless of how long the account has been open, once you reach retirement age.

Required Minimum Distributions (RMDs)

Both Roth and Traditional 401(k) plans require account holders to start taking minimum distributions at age 72. However, Roth 401(k) account holders have the option to roll over their funds into a Roth IRA to avoid RMDs, while Traditional 401(k) holders do not have a tax-advantaged rollover option to escape these distributions.

Early Withdrawal Penalties

Both types of 401(k)s impose a 10% penalty on withdrawals made before age 59½, with certain exceptions. However, because Roth 401(k) contributions are made after-tax, you can withdraw the amount you've contributed (but not the earnings on those contributions) without penalties or taxes, even before age 59½, under certain conditions.

Suitability

Roth 401(k) is often more suitable for individuals who expect to be in a higher tax bracket in retirement or those who prioritize tax-free income during retirement. It's also appealing to those who want to maximize estate planning benefits, as heirs can receive Roth 401(k) distributions tax-free.

Traditional 401(k) may be more suitable for individuals who expect to be in a lower tax bracket in retirement or those who benefit from reducing their taxable income during their working years.

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History of the Roth 401(k)

History of the Roth 401(k)

The Roth 401(k) represents a relatively recent development in the landscape of retirement savings options, offering a blend of features from its predecessors, the Roth IRA and the traditional 401(k). Understanding the history behind the Roth 401(k) provides insight into its purpose, benefits, and how it has become a pivotal tool in retirement planning.

The Emergence of Roth Accounts

The story begins with the introduction of the Roth IRA in 1997, named after Senator William Roth of Delaware. The Roth IRA was revolutionary, offering investors the opportunity to make after-tax contributions with the promise of tax-free growth and withdrawals in retirement. This was a significant shift from the traditional pre-tax savings model, appealing to those who anticipated higher tax rates in the future or who valued the certainty of tax-free income in retirement.

Introduction of the Roth 401(k)

Building on the popularity and success of the Roth IRA, the Economic Growth and Tax Relief Reconciliation Act of 2001 (EGTRRA) laid the groundwork for the Roth 401(k). However, it wasn't until January 1, 2006, that the Roth 401(k) officially became available to employees, blending the features of a Roth IRA's after-tax contributions with the employer-sponsored structure of a traditional 401(k).

The Motivation Behind the Roth 401(k)

The introduction of the Roth 401(k) was motivated by a desire to offer greater flexibility and choice in retirement planning. Lawmakers and financial planners recognized that different taxpayers would face varied tax situations in retirement, and the ability to choose between pre-tax and after-tax contributions could lead to more optimized retirement outcomes. Additionally, the Roth 401(k) made the tax-free benefits of Roth accounts available to higher earners who might be excluded from contributing to a Roth IRA due to income limits.

Growth and Adoption

Since its inception, the Roth 401(k) has grown in popularity among both employers and employees. The option to contribute to a Roth 401(k) is now offered by a significant number of employer-sponsored retirement plans, though not universally. Its growth reflects an increasing awareness of tax diversification in retirement planning—balancing pre-tax and after-tax contributions to manage future tax liabilities.

Legislative Enhancements

Over the years, legislative changes have further shaped the Roth 401(k), including provisions that allow for easier rollovers from traditional 401(k)s to Roth 401(k)s within the same plan. The ongoing evolution of retirement savings legislation continues to refine and enhance the utility of the Roth 401(k) as a retirement planning tool.

Final Thoughts

The decision between a Roth 401(k) and a Traditional 401(k) is significant and can impact your financial security in retirement. Consider your current and future tax situations, retirement goals, and the potential need for early access to funds when making your choice. As always, consulting with a financial advisor can provide personalized insights and help you navigate this decision to align with your overall financial plan.

Frequently Asked Questions

What exactly is a Roth 401(k)?

A Roth 401(k) is a type of employer-sponsored retirement savings plan that allows you to make after-tax contributions. Unlike a traditional 401(k), where contributions are tax-deductible, the money you put into a Roth 401(k) is taxed upfront. However, withdrawals in retirement are tax-free, provided certain conditions are met.

Can I contribute to both a Roth 401(k) and a traditional 401(k)?

Yes, you can contribute to both. However, your total contributions to both accounts cannot exceed the annual limit set by the IRS.

Are there any income limits for contributing to a Roth 401(k)?

No, there are no income limits for contributing to a Roth 401(k), making it accessible to high earners who might be phased out of contributing to a Roth IRA.

Do I have to take Required Minimum Distributions (RMDs) from a Roth 401(k)?

Yes, unlike Roth IRAs, Roth 401(k)s are subject to RMDs starting at age 72. However, you can roll over your Roth 401(k) funds into a Roth IRA to avoid RMDs.

Can I make withdrawals from my Roth 401(k) before retirement?

Early withdrawals from a Roth 401(k) are possible, but they may be subject to taxes and penalties unless you qualify for an exception, such as disability or a first-time home purchase.

How do I decide between a Roth 401(k) and a traditional 401(k)?

The choice depends on your current tax bracket, expected tax rate in retirement, and financial goals. If you anticipate being in a higher tax bracket in retirement or value tax-free withdrawals, a Roth 401(k) may be beneficial. If you prefer to reduce your taxable income now, a traditional 401(k) might be a better fit.


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R. Tyler End, CFP®
R. Tyler End, CFP®

Tyler is a Certified Financial Planner® and CEO & Co-Founder at Retirable, the retirement peace of mind platform. Tyler has nearly 15 years of experience at leading companies in the wealth management and insurance industries. Before Retirable, Tyler worked as Head of Operations Expansion at PolicyGenius, expanding the company’s reach into new products — turning PolicyGenius into an industry-leading disability and P&C insurance distributor. Before working at PolicyGenius, Tyler worked as Wealth Management Advisor at prominent financial services organizations.

As an advisor, Tyler played an integral role in helping clients define goals, achieve financial independence and retire with peace of mind. Through this work, Tyler has helped hundreds of thousands of people get the financial planning and insurance advice they need to succeed. Since founding Retirable, Tyler’s innovative approach to retirement planning has been featured in publications such as Forbes, Fortune, U.S. News & World Report, and more.

Retirement Accounts

Understanding 401(k)s


401(k) Rules


Cashing Out your 401(k)


Understanding Roth 401(k)s


Roth IRA Basics

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Retirement Accounts

Understanding 401(k)s


401(k) Rules


Cashing Out your 401(k)


Understanding Roth 401(k)s


Roth IRA Basics


Share this advice


R. Tyler End, CFP®
R. Tyler End, CFP®

Tyler is a Certified Financial Planner® and CEO & Co-Founder at Retirable, the retirement peace of mind platform. Tyler has nearly 15 years of experience at leading companies in the wealth management and insurance industries. Before Retirable, Tyler worked as Head of Operations Expansion at PolicyGenius, expanding the company’s reach into new products — turning PolicyGenius into an industry-leading disability and P&C insurance distributor. Before working at PolicyGenius, Tyler worked as Wealth Management Advisor at prominent financial services organizations.

As an advisor, Tyler played an integral role in helping clients define goals, achieve financial independence and retire with peace of mind. Through this work, Tyler has helped hundreds of thousands of people get the financial planning and insurance advice they need to succeed. Since founding Retirable, Tyler’s innovative approach to retirement planning has been featured in publications such as Forbes, Fortune, U.S. News & World Report, and more.

To empower a confident, worry-free retirement for everyone.

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To empower a confident, worry-free retirement for everyone.

Legal

Retirable, Inc. ('Retirable') is an SEC registered investment advisor. By using this website, you accept our Terms and Conditions and Privacy Policy. Retirable provides holistic retirement planning services, which are available only to residents of the United States. You must be at least 18 years of age to become a Retirable Premium user. Nothing on this website should be considered an offer, solicitation of an offer, or advice to buy or sell securities.

Investing involves risk and past performance is not indicative of future results. Increased spending increases the risk of depleting your savings and performance is not guaranteed. It is very important to do your own analysis before making any decisions based on your own personal circumstances.

For more information, see our Form ADV Part II and other disclosures.

Retirable is a financial technology company and is not a bank. Banking services provided by Thread Bank, Member FDIC. The Retirable Business Visa® Debit Card is issued Thread Bank pursuant to a license from Visa U.S.A. Inc. and may be used everywhere Visa cards are accepted. FDIC insurance is available for funds on deposit through Thread Bank, Member FDIC. Pass-through insurance coverage is subject to conditions.

Your deposits qualify up to a maximum of $3,000,000 in FDIC insurance coverage when placed at program banks in the Thread Bank deposit sweep program. Your deposits at each program bank become eligible for FDIC insurance up to $250,000, inclusive of any other deposits you may already hold at the bank in the same ownership capacity. You can access the terms and conditions of the sweep program athttps://go.thread.bank/sweepdisclosure and a list of program banks athttps://go.thread.bank/programbanks. Please contact [email protected] with questions on the sweep program.

* The interest rate on Retirable Consumer Deposit Account Tier 2 is 3.4% with Annual Percentage Yield (APY) of 3.45%. The interest rates are accurate as ofSep 19, 2024. Rate is variable and is subject to change after account opening. Fees may reduce earnings.

** Refer to the fee schedule in your Consumer Deposit Account Agreement

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