The Tax-Advantaged Account Stack
Every dollar you invest for retirement in the right account type is worth more than the same dollar in a taxable brokerage account โ sometimes significantly more. Understanding which accounts to use, in what order, and how much to contribute can mean hundreds of thousands of dollars of difference in retirement.
401(k): Start Here If Your Employer Offers One
The 401(k) is an employer-sponsored plan with a $23,500 contribution limit in 2026 ($31,000 if you're 50+, thanks to catch-up contributions). Two key features:
Traditional 401(k): Contributions reduce your taxable income today (a $500 contribution saves you $125 in taxes if you're in the 25% bracket). Growth is tax-deferred. You pay taxes on withdrawals in retirement.
Roth 401(k): No tax deduction today, but withdrawals in retirement are completely tax-free โ including all growth.
The employer match is the priority. If your employer matches 50% of contributions up to 6% of salary, contribute at least 6% before doing anything else. The match is an immediate 50% return on that money โ nothing else comes close.
Roth IRA: The Most Powerful Account for Most Workers
The Roth IRA's key advantage: tax-free growth forever. Pay taxes now, invest, never pay taxes on that money again โ not on growth, not on qualified withdrawals in retirement.
- 2026 contribution limit: $7,000/year ($8,000 if 50+)
- Income limits: Single filers begin phasing out at $150,000 MAGI; married filing jointly at $236,000
- Backdoor Roth: High earners above the income limit can convert Traditional IRA contributions to Roth โ consult a tax advisor
If you're in your 20s or 30s and expect your income (and tax bracket) to rise, paying taxes now via a Roth IRA and watching that money compound tax-free for 30โ40 years is one of the best financial decisions available.
Traditional IRA: When It Beats Roth
A Traditional IRA makes more sense when:
- You're in a high tax bracket now and expect a lower bracket in retirement
- You need the tax deduction today
- You've maxed your 401(k) and want additional pre-tax space
Deductibility: Contributions are deductible if you (or your spouse) don't have a workplace retirement plan, or if income is below certain thresholds.
The Recommended Contribution Order
- 401(k) up to the full employer match
- Roth IRA to the annual maximum ($7,000)
- Back to 401(k) up to the annual maximum ($23,500)
- Taxable brokerage for additional savings
The Power of Starting Early
$500/month from age 25 to 65 at 7% average annual return = $1.3 million $500/month from age 35 to 65 at 7% = $607,000
Same monthly contribution, same rate of return. The 10-year head start doubles the outcome. Time is the one variable in compound interest you can never buy back.
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