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⚖️You are deciding between a Roth IRA and a taxable brokerage account.

Roth IRA vs Taxable Account: Which Should You Use?

4 min readUpdated 2026-03-28account-selection decision
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The Short Answer

Max the Roth IRA first ($7,000/year). Tax-free growth is the most valuable tax advantage available. Only invest in a taxable brokerage after maxing your Roth (and capturing your 401(k) match). The exception: if you need the money within 5 years, use a taxable account (Roth earnings have a 5-year rule + age 59.5 requirement).

The Moment

You have money to invest and are deciding between a Roth IRA and a taxable brokerage account. They hold the same investments (index funds, ETFs) — the difference is the tax wrapper around them.

This choice has a clear answer: max the Roth IRA first. The tax-free growth is extraordinarily valuable over long time horizons.

The Tax Comparison

$7,000/year invested for 30 years at 7%:

In a Roth IRA: Final balance: ~$661,000. You take out $661,000 — tax-free. Every dollar is yours.

In a taxable brokerage: Final balance: ~$661,000 before taxes. But you owe capital gains tax on the growth (~$451,000 in gains × 15-20% = $67,000-$90,000 in taxes). You keep $571,000-$594,000.

The Roth advantage: $67,000-$90,000 more — just from the tax wrapper. Same investments, same returns, different accounts.

The order of operations: 1. 401(k) to capture employer match (free money) 2. Roth IRA to $7,000/year (tax-free growth) 3. 401(k) to maximum $23,500 (tax-deferred growth) 4. Taxable brokerage for everything above that (tax-efficient growth)

When to use a taxable account first: - You need the money within 5 years (Roth earnings have withdrawal restrictions before 59.5) - You have already maxed all tax-advantaged accounts - You want to do tax-loss harvesting (not possible in retirement accounts) - You need money for a short-term goal (down payment, car, wedding)

Run Your Numbers

See the tax-free growth difference over time.

Compound Growth Projector

1%7%15%
120 years40
Projected Growth
Final Balance
$300,851
You Contributed
$130,000
Investment Growth
$170,851
Yr 5
$49,973
Yr 10
$106,639
Yr 15
$186,971
Yr 20
$300,851
Contributed
Growth

What to explore next

  • How do I open a Roth IRA?
  • What should I invest in inside my Roth IRA?
  • Should I do a backdoor Roth if my income is too high?

Frequently Asked Questions

Can I withdraw Roth IRA contributions early?

Yes — contributions (not earnings) can be withdrawn at any time, tax-free and penalty-free. This makes the Roth IRA flexible: it is a retirement account first, but it can serve as a backup emergency fund. Only earnings must stay until 59.5 (or face taxes + 10% penalty).

What about tax-loss harvesting in a taxable account?

Tax-loss harvesting (selling losers to offset gains) is only possible in taxable accounts. For portfolios over $50,000 in taxable accounts, the benefit can add 0.5-1.5% in after-tax returns. But this advantage does not outweigh the permanent tax-free growth of a Roth IRA — max the Roth first, then harvest losses in the taxable account.

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