Roth 401(k) vs. Traditional 401(k): A Retirement Savings Conundrum

Navigating the Tax Implications and Benefits to Secure Your Financial Future

Patrick Karsh
5 min readApr 26, 2023
Make sure your retirement is smooth sailing

The American retirement landscape is becoming increasingly complex as the financial industry continues to evolve. One decision employees must make when planning for retirement is whether to invest in a Roth 401(k) or a traditional 401(k). Both options have their merits and drawbacks, making it difficult for individuals to choose the right path. This article explores the benefits and downsides of these two retirement savings vehicles and offers insights to help employees make informed decisions.

Roth 401(k)s

In favor of Roth 401(k)s

  • Tax-free withdrawals in retirement: Qualified withdrawals from a Roth 401(k) are tax-free, providing a source of tax-free income in retirement and potentially reducing your overall tax burden during your retirement years.
  • No taxes on investment gains: Unlike taxable investment accounts, any earnings in a Roth 401(k) grow tax-free, allowing you to maximize the growth of your retirement savings.
  • Hedge against future tax rate uncertainty: Contributing to a Roth 401(k) can help protect against the risk of higher tax rates in the future, as your withdrawals will be tax-free, regardless of future changes in tax laws or your income level.

Against Roth 401(k)s

  • No immediate tax benefit: Contributions to a Roth 401(k) are made with after-tax dollars, meaning you don’t receive an upfront tax break on your contributions like you would with a traditional 401(k).
  • Higher current tax liability: Since Roth 401(k) contributions are made with after-tax dollars, your current tax liability may be higher than it would be if you were contributing to a traditional 401(k), potentially affecting your current cash flow.
  • Uncertain future tax rates: The main advantage of a Roth 401(k) is based on the assumption that your tax rate will be higher in retirement. However, if your tax rate ends up being lower in retirement, you may not fully benefit from the tax-free withdrawals.

Traditional 401(k)s

Traditional is good for some people

In favor of Traditional 401(k)s

  • Immediate tax benefit: Contributions to a traditional 401(k) are made with pre-tax dollars, reducing your taxable income for the year and providing an upfront tax break, which can result in lower taxes in the years you contribute.
  • Lower current tax liability: Since traditional 401(k) contributions are made with pre-tax dollars, your current tax liability may be lower than it would be if you were contributing to a Roth 401(k), potentially allowing for more disposable income.
  • Beneficial for higher current tax rates: If your current tax rate is higher than what you expect it to be in retirement, a traditional 401(k) allows you to defer taxes on your contributions until retirement, when your tax rate may be lower.

Against Traditional 401(k)s

  • Taxable withdrawals in retirement: Unlike Roth 401(k)s, withdrawals from a traditional 401(k) are subject to income tax in retirement, which could increase your tax burden during your retirement years.
  • Required Minimum Distributions (RMDs): Traditional 401(k) plans mandate that you begin taking RMDs at age 72, which can result in unwanted taxable income and limit your control over your retirement savings withdrawals.
  • Uncertain future tax rates: The primary advantage of a traditional 401(k) relies on the assumption that your tax rate will be lower in retirement. However, if your tax rate ends up being higher in retirement, you may end up paying more in taxes on your withdrawals than if you had contributed to a Roth 401(k).

The Promise of Deferred Taxes

At the heart of the Roth vs. traditional 401(k) debate lies the issue of tax treatment. Traditional 401(k) plans allow employees to make pre-tax contributions, reducing their taxable income and providing an immediate tax break. The downside, however, is that withdrawals in retirement are taxed as ordinary income. The Roth 401(k), on the other hand, requires after-tax contributions but promises tax-free withdrawals in retirement, provided certain conditions are met.

Who knows what the future will bring

The Uncertain Future of Tax Rates

The choice between a Roth and traditional 401(k) often hinges on expectations about future tax rates. If an individual believes their tax rate will be higher in retirement, the Roth 401(k) might be more appealing. Conversely, if they expect a lower tax rate in retirement, the traditional 401(k) could be a better fit. However, predicting future tax rates is an uncertain endeavor, which complicates the decision-making process.

The Age-Old Riddle of Required Minimum Distributions

Both Roth and traditional 401(k) plans are subject to Required Minimum Distributions (RMDs) starting at age 72. RMDs can have significant tax implications, particularly for traditional 401(k) account holders who must pay income tax on these distributions. Roth 401(k) holders, though, can avoid RMDs altogether by rolling their accounts over to a Roth IRA, which is not subject to RMD rules.

I am just a bill on Capitol Hill, that may wreck your plans.

Investment Options and Legislative Risks

Regardless of the 401(k) type, employees may find their investment options limited by their employer’s plan, potentially restricting diversification and growth opportunities. Furthermore, potential legislative changes could affect the tax treatment of either type of 401(k), making it difficult to predict the future benefits of each.

The Role of Employer Match

One consideration that often goes overlooked is the employer match, which many companies offer for both Roth and traditional 401(k) contributions. It is important to note that employer matches are made on a pre-tax basis, even for Roth 401(k) plans, and will be subject to income tax upon withdrawal in retirement.

An employer match is free money

A Balanced Approach to Retirement Savings

Given the uncertainty surrounding future tax rates and legislative changes, many employees may find it beneficial to diversify their retirement savings by contributing to both Roth and traditional 401(k) plans, as long as the combined contributions do not exceed the annual limit set by the IRS. This strategy allows individuals to hedge against potential tax risks while taking advantage of the unique benefits offered by each plan.

Conclusion

Choosing between a Roth and traditional 401(k) is a complex decision that depends on individual circumstances, tax expectations, and retirement goals. To navigate this retirement savings conundrum, employees should carefully consider the benefits and downsides of each option and consult a financial advisor to ensure they are making the best possible choice for their future.

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Patrick Karsh
Patrick Karsh

Written by Patrick Karsh

NYC-based Ruby on Rails and Javascript Engineer leveraging AI to explore Engineering. https://linktr.ee/patrickkarsh

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