Before we get into the tax forms, let’s break down what these accounts actually are.
A Traditional IRA and a Roth IRA both exist because the government gives them special tax perks that help your money grow faster than if you used a normal investment account.
A Traditional IRA is basically the “save taxes now, pay later” option.
A Roth IRA is the “pay taxes now, enjoy tax-free money later” option.
Both IRAs are just containers you put investments into — not investments themselves. And the best part? You can open one at places like Fidelity, Vanguard, or Schwab in about ten minutes.
Which One Should You Pick?
Choose a Traditional IRA if:
- You want a tax deduction this year
- You want to reduce this year’s taxable income
- Your income is high right now and you’re okay paying taxes on withdrawals later
(Important note: whether you get the deduction depends on whether you have a 401(k) at work — we’ll explain this clearly in the next section.)
Choose a Roth IRA if:
- You want tax-free money later
- You’re earlier in your career or expect strong long-term investment growth
- You don’t want to guess future tax rates
- You think taxes will go up over time
There’s no wrong choice.
My personal take: having both gives you flexibility — just be very mindful not to over-contribute, because both IRAs share the same annual limit.
How These Accounts Show Up on Your Tax Return
When you PUT money in:
- Traditional IRA contributions might give you a tax deduction
- Roth contributions never do
- Your brokerage sends you a Form 5498 in May showing your contributions
- You do NOT file Form 5498 with your taxes. (It lets you know big brother is watching and has made a note of it.)
When you TAKE money out:
- You receive a 1099-R
- This form does go on your tax return as income
- Traditional IRA withdrawals are usually taxable
- Roth IRA withdrawals can be tax-free if you follow the rules
Quick summary for your brain:
5498 = IRS receipt
1099-R = taxable event
Important Note Before We Go Further
Here’s an Important Pikachu Face Issue: A Traditional IRA doesn’t always give you a tax deduction.
If your income is high and you already have a 401(k) (or similar plan) at work, your deduction may be reduced or eliminated — which means part or all of your contribution becomes non-deductible.
If you do not have a 401(k), your Traditional IRA contribution is usually fully deductible regardless of income.
We’ll explain exactly how this works below.
Form 8606 — Tracking After-Tax Money So You Don’t Get Taxed Twice
Form 8606 exists for one reason: to track money in your Traditional IRA that you’ve already paid taxes on, so the IRS doesn’t tax you again later.
When does Form 8606 come into play?
- When your Traditional IRA contribution is non-deductible
- When you convert money from a Traditional IRA to a Roth IRA
- When you withdraw certain Roth funds early
What is a non-deductible contribution?
It’s money you put into a Traditional IRA but can’t deduct because:
- your income is high
and - you’re covered by a 401(k) or other workplace retirement plan.
That money becomes your basis — meaning you already paid taxes on it.
Example (super simple):
- You put $6,000 into a Traditional IRA
- You earn too much and you’re covered by a 401(k)
- You’re not allowed to deduct it
→ The $6,000 becomes a non-deductible (after-tax) contribution
→ Years later, your account grows
→ When you withdraw money:- the original $6,000 should be tax-free
- only the growth is taxable
→ Form 8606 keeps track so you don’t get taxed twice
Important clarification:
A Roth contribution is not the same thing as a non-deductible Traditional IRA contribution.
People mix these up all the time.
Warnings and Pitfalls
IRAs are simple, but here are a few things to watch out for:
- The IRS has strict yearly contribution limits. Putting in even a little too much triggers a 6% penalty every year until you fix it.
- The limit applies to both accounts combined — your Traditional and Roth share the same annual bucket.
- If you ever make a non-deductible Traditional IRA contribution, you must file Form 8606. It tells the IRS the money was already taxed so they don’t tax it again later.
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