Roth vs Traditional 401(k) at 45 on $200k income? (single)

Ben, 45, in Seattle, WA

example

Single, no kids · $200k/yr household income

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

45, single, $200k/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

$200,000/yr

Household

Single earner

Liquid savings

$168,000

Retirement savings

$504,000

Investing return

7%/yr

SHIFT

Lean Traditional, your 27% rate drops to ~10% in retirement

27% → 10%

Rate drops 17% in retirement

Projected net worth

Today: $825k$26M projected

Rate Now

27%

Rate Retired

10%

Best Strategy

All Trad

NW Diff

+$135k

Your current effective rate of ~27% (engine-computed) drops to ~10% in retirement. Traditional saves taxes now when your rate is highest. The All Trad strategy produces +$135k more at retirement.

Scenario	Strategy	Retire NW	Lifetime Taxes	Retire SWR/mo	Coverage
All Trad	100% Traditional	$8,150,108 ($4.5M in today's dollars)	$4.2M	$27,167	25 yrs
Current	Current mix	$8,015,287 ($4.4M in today's dollars)	$4.0M	$26,718	25 yrs
50/50	50/50 Split	$7,879,606 ($4.4M in today's dollars)	$3.6M	$26,265	25 yrs
Roth 70%	Tilt Roth (70%)	$7,739,584 ($4.3M in today's dollars)	$3.4M	$25,799	25 yrs
All Roth	100% Roth	$7,595,001 ($4.2M in today's dollars)	$3.1M	$25,317	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 single household earning $200k at 45?

Lean Traditional, your 27% rate drops to ~10% in retirement

Rate drops 17% in retirement

27% → 10%, 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.