Roth vs Traditional 401(k) on $150k income? (married)

Tyler & Claire, 35 and 36, in Charlotte, NC

example

Married, no kids yet · $150k/yr household income

They're maxing their 401(k) in Charlotte and unsure whether Roth or traditional is quietly costing them.

35, married, $150k/yr. Roth or traditional 401(k)? "Always Roth" isn't always right at this income. Here's the lifetime-tax difference, modeled year by year.

The setup

Age

Household income

$150,000/yr

Household

Married, dual income

Liquid savings

$66,000

Retirement savings

$198,000

Investing return

7%/yr

SHIFT

Lean Traditional, your 21% rate drops to ~25% in retirement

21% → 25%

Rate drops 0% in retirement

Projected net worth

Today: $296k$3.0M projected

Rate Now

21%

Rate Retired

25%

Best Strategy

Current

NW Diff

Your current effective rate of ~21% (engine-computed) drops to ~25% in retirement. Traditional saves taxes now when your rate is highest. The Current strategy produces $0 more at retirement.

Scenario	Strategy	Retire NW	Lifetime Taxes	Retire SWR/mo	Coverage
All Trad	100% Traditional	$3,361,264 ($1.4M in today's dollars)	$3.3M	$11,204	25 yrs
Current	Current mix	$3,066,211 ($1.3M in today's dollars)	$2.2M	$10,221	25 yrs
50/50	50/50 Split	$2,735,280 ($1.1M in today's dollars)	$1.8M	$9,118	25 yrs
Roth 70%	Tilt Roth (70%)	$2,439,620 ($1.0M in today's dollars)	$1.5M	$8,132	25 yrs
All Roth	100% Roth	$2,502,082 ($1.0M in today's dollars)	$1.4M	$8,340	25 yrs

Tax laws change. Roth conversions, RMDs, and state tax changes can shift the calculus. This analysis uses current rates as a starting point.

Your real number depends on your savings, debts, and city. The averages above are a starting point. Model your exact situation and get your verdict.

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Frequently asked

Roth or traditional 401(k) for a married household earning $150k?

Lean Traditional, your 21% rate drops to ~25% in retirement

Rate drops 0% in retirement

21% → 25%, modeled with Rightmont's projection engine for this exact scenario.

How was this calculated?

Rightmont runs your numbers through a year-by-year projection engine (taxes, compounding, Social Security, and your real cashflow) to model the outcome. Model your own version free in under a minute.

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For educational purposes only, not financial advice.