Roth vs Traditional 401(k) at 45 on $150k income? (married)
Devin & Claire, 45 and 45, in Charlotte, NC
exampleMarried, 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.
45, 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
45
Household income
$150,000/yr
Household
Married, dual income
Liquid savings
$126,000
Retirement savings
$378,000
Investing return
7%/yr
Lean Traditional, your 20% rate drops to ~12% in retirement
20% → 12%
Rate drops 8% in retirement
Rate Now
20%
Rate Retired
12%
Best Strategy
All Trad
NW Diff
+$170k
Your current effective rate of ~20% (engine-computed) drops to ~12% in retirement. Traditional saves taxes now when your rate is highest. The All Trad strategy produces +$170k more at retirement.
| Scenario | Strategy | Retire NW | Lifetime Taxes | Retire SWR/mo | Coverage |
|---|---|---|---|---|---|
| All Trad | 100% Traditional | $5,659,788 ($3.1M in today's dollars) | $2.4M | $18,866 | 25 yrs |
| Current | Current mix | $5,489,768 ($3.0M in today's dollars) | $2.1M | $18,299 | 25 yrs |
| 50/50 | 50/50 Split | $5,531,672 ($3.1M in today's dollars) | $2.1M | $18,439 | 25 yrs |
| Roth 70% | Tilt Roth (70%) | $5,448,247 ($3.0M in today's dollars) | $2.0M | $18,161 | 25 yrs |
| All Roth | 100% Roth | $5,377,616 ($3.0M in today's dollars) | $1.9M | $17,925 | 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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Roth or traditional 401(k) for a married household earning $150k at 45?
Lean Traditional, your 20% rate drops to ~12% in retirement
Rate drops 8% in retirement
20% → 12%, 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.