Roth vs Traditional 401(k) at 45 on $75k income? (married)
Ben & Sofia, 45 and 45, in Columbus, OH
exampleMarried, no kids yet · $75k/yr household income
They're maxing their 401(k) in Columbus and unsure whether Roth or traditional is quietly costing them.
45, married, $75k/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
$75,000/yr
Household
Married, dual income
Liquid savings
$63,000
Retirement savings
$189,000
Investing return
7%/yr
Lean Roth, your 17% rate now is close to your ~5% retirement rate
17% → 5%
Similar rates, Roth locks in 17%
Rate Now
17%
Rate Retired
5%
Best Strategy
Roth 70%
NW Diff
+$26k
Your current effective rate (~17%) is close to your projected retirement rate (~5%). Roth wins because you lock in the lower rate now, and qualified growth + withdrawals are tax-free in retirement.
| Scenario | Strategy | Retire NW | Lifetime Taxes | Retire SWR/mo | Coverage |
|---|---|---|---|---|---|
| All Trad | 100% Traditional | $404,001 ($224k in today's dollars) | $424k | $1,347 | 7 yrs |
| Current | Current mix | $371,471 ($206k in today's dollars) | $365k | $1,238 | 7 yrs |
| 50/50 | 50/50 Split | $366,091 ($203k in today's dollars) | $371k | $1,220 | 7 yrs |
| Roth 70% | Tilt Roth (70%) | $397,414 ($220k in today's dollars) | $342k | $1,325 | 8 yrs |
| All Roth | 100% Roth | $410,534 ($227k in today's dollars) | $332k | $1,368 | 8 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 $75k at 45?
Lean Roth, your 17% rate now is close to your ~5% retirement rate
Similar rates, Roth locks in 17%
17% → 5%, 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.