How a Diversified 401(k) Strategy Can Cut Your Taxes

As a business owner, you have a lot of choices for how to save for retirement. And each type of defined contribution plan has different rules. Some defined contribution plans provide the option to invest pre-tax dollars, others allow you to contribute after-tax and pay no taxes when you withdraw your earnings in retirement. Which approach is best?

For many business owners, a diversified approach offers both more retirement income and lower taxes over their lifetime. In particular, the flexible options you have with a 401(k) plan allow you and plan participants to put part of your retirement savings in a pre-tax traditional 401(k) plan and part in an after-tax Roth 401(k) that's tax free when you withdraw.

How does this work? Let's break it down.

The Benefits of a Pre-Tax Account

A traditional 401(k) can help provide a solid foundation for nearly any retirement. With a traditional 401(k), every dollar you or your employees contribute is tax-deferred. The thousands of dollars in taxes you would have paid if you'd taken that money as ordinary income this year can instead grow as investment earnings. Only when it's time to retire would you, as a plan participant, pay taxes on the money you withdraw. Traditional 401(k) withdrawals are taxed as ordinary income. Depending on your income tax bracket at the time of retirement, a traditional 401(k) can be a tax-efficient approach to creating retirement savings.

The Benefits of Tax-Free Withdrawal

Roth IRAs and Roth 401(k)s approach taxation up front. The money you put into your account is taxed as ordinary income in the year that you earn it. However, when you withdraw you pay no taxes, which can translate into huge savings because the earnings grow tax-free.

In particular, a Roth 401(k) is advantageous because, unlike a Roth IRA, there are no income limits. A Roth 401(k) also allows you to contribute up to $14,500 more per year than a Roth IRA in 2022. While your traditional 401(k) requires you to begin making withdrawals by age 72 (assuming you are no longer employed), your Roth 401(k) does not require minimum distributions if your roll your Roth 401(k) over to a Roth IRA when you stop working. A rollover to a Roth IRA allows you to keep growing your money tax-free until you're ready to begin spending it. You can see how tax treatments break down in the table below.

Retirement Account Tax Treatments

Comparison of different account types.
Individual Accounts Employer Accounts
Brokerage Accounts Roth IRA 401(k) Roth 401(k)
Description A type of investment account that allows you to buy and sell a variety of investments, such as stocks, bonds, mutual funds, and ETFs. A Roth account that is set up for an individual. A type of tax-deferred account that is available through an employer. A Roth account that is within an employer 401(k).
Income Limits None $144K Individual/$214K Married Filing Jointly None None
Income Limits After-Tax After-Tax Pre-Tax After-Tax
Personal Contribution Limits None $6,000/$7,000 $20,500/$27,000 $20,500/$27,000
Tax Treatment at Withdrawal Earnings taxed as capital gains Principle and earnings are tax free2 Principle and earnings are taxed as ordinary income Principle and earnings are tax free2
Fed Tax Rate at Withdrawal 0%-20% 0% 10%-39.6% 0%
Subject to RMDs (Required Minimum Distributions) No No Yes No, if converted to a Roth IRA 3

1 2022 employee deferral contribution limit into a Traditional 401(k) and Roth 401(k) is $20,500 <50 years and $27,000 > 50 Years. The total Annual Contribution Limit into a Traditional or Roth 401(k) account is $61,500 <50 years and $67,500 > 50 Years. This amount includes both personal employee deferrals and employer contributions. This means an individual can contribute up to an additional $41,000 in after-tax contributions above and beyond the maximum employee deferral contribution limit of $20,500 <50 years and $27,000 > 50 Years.

2This assumes withdrawals are qualified per IRS guidelines.

What if You Could Save $1 Million Dollars in Taxes?

To see how the tax advantages of 401(k) diversification might translate into retirement income, consider the following example:

Imagine a 30 year old employee who contributes the personal contribution maximum1 each year into a traditional 401(k) until they are 65 years old and another 30 year old employee who splits the same total personal contribution2 50%/50% between a traditional 401(k) and a Roth 401(k)2 for the exact same time period.

At age 90, which employee paid fewer taxes and had more lifetime net income? Even though both employees contributed the same exact amounts to their retirement plan, the employee who split their contribution 50%/50%2 earned about $1MM more in net income over his lifetime, all of it coming from tax savings.

You can see the numbers in the chart below.

A comparison of different scenarios. Users with screen readers may navigate to the next element for a textual representation of the data within the image.

Comparison of different scenarios.
Scenario 1 Scenario 2
100% Tax Deferred 401(k) Savings1 50% Tax Deferred 401(k)/50% Roth 401(k)2
Total Lifetime Net Income 3 $9.1 MM $10.1 MM
Total Lifetime Taxes 4 $3.1 MM $2.1 MM
Annual Net Income at Retirement 5 $3.1 MM $2.1 MM

See foot notes for assumptions.

Strength in Diversity

You diversify your investment portfolio. It makes sense to also diversify your tax liability. A retirement portfolio that includes a traditional 401(k) and a Roth 401(k) offers both a solid foundation for your retirement savings and an opportunity to cut your taxes and significantly increase your net income over the course of a long life.

Find the Right Combination for You

Fisher's retirement plan experts proactively consult one-on-one with clients to make sure you're maximizing your investment opportunities and tax savings. If you currently do not have a Roth option in your 401(k) plan, give us a call today to begin developing your strategy.

Footnotes

1Assume 2022 maximum personal contribution rate of 20,500 from age 30-49 and $27,000 from age 50 to 64 contributed to a traditional 401(k).

2Assume 2022 maximum personal contribution rate of 20,500 from age 30-49 and $27,000 from age 50 to 64 split 50%/50% between a traditional 501(k) and a Roth 401(k).

3Lifetime income net of federal taxes and savings contributions through age 90.

4Total federal taxes paid from 30-90.

5Assumes retirement age of 65 and investment income net of federal taxes.

For the accumulation phase, this fictional example assumes a starting salary of $100,000 and 3% increase each year until age 64, investment growth of 7% net of investment fees and the employee is taxed at the current federal rates for married filing jointly and excludes state taxes.

For the de-accumulation phase, the example assumes withdrawals start at $160,000 age of 65 and increase 3% each year from age 65 to age 90. Income from Social Security and other sources is excluded from this example for simplicity. The former employee is taxed according to the current federal rates for married filing jointly and excludes state taxes.

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