A custodial Roth IRA lets a child invest earned income into a retirement account that can grow tax-free for decades — potentially the single most powerful head start a young earner can get. The catch is right there in the definition: the child needs real earned income, and a parent runs the account as custodian until the child comes of age. This guide covers how it works and where parents trip up. It is general information, not financial or tax advice, so verify current limits and rules before opening one.
What changed in 2026
- Contribution limits adjust over time. The annual cap and the earned-income rules can change year to year, so confirm the current figures before funding an account.
- More brokerages offer custodial Roth accounts with low or no minimums, making them easier to open than they once were.
- Interest in teaching kids about money grew, and a real account with real dollars is a far better lesson than a lecture.
How a custodial Roth IRA works
The mechanics are straightforward once the income rule is met:
- The child must have earned income — wages from a job, self-employment, or legitimate work — for the year.
- The contribution cannot exceed the child's earned income for that year, up to the annual limit, whichever is lower.
- A parent or guardian opens and manages the account as custodian, choosing investments, until the child reaches the age of majority in your state, when control transfers to them.
Money can be contributed by the child or gifted by a parent, as long as it does not exceed what the child actually earned.
Why starting early matters
The advantage is time. Money invested at a young age has decades to compound tax-free, which dwarfs what the same dollars could do if invested later.
| Start age |
Years to age 65 |
Relative growth runway |
| 10 |
55 |
Longest |
| 20 |
45 |
Very long |
| 35 |
30 |
Moderate |
| 50 |
15 |
Short |
The exact dollar outcomes depend on returns no one can promise, but the direction is clear: earlier is dramatically better. Keeping costs low protects that growth, so read expense ratios explained before choosing funds.
Pitfalls parents miss
- Faking the income. The earned-income requirement is real. Contributions must be backed by documentable, legitimate work.
- Over-contributing. You cannot contribute more than the child earned, or above the annual cap. Excess contributions can create penalties.
- Forgetting the handoff. At the age of majority, the child gains full control. Plan for that conversation.
For funding the investments steadily, a simple approach like dollar cost averaging fits a young account well.
There is also a teaching angle worth using. Because the child earned the money, matching their contribution — you add a dollar for every dollar they put in, up to what they earned — turns saving into something visible and rewarding without breaking the earned-income rule. It mirrors how an employer match works and plants the habit early. Just keep records of the wages and the contributions so the numbers hold up if anyone ever asks.
FAQ
Can my child use allowance money to contribute?
No. Contributions must be based on earned income from actual work, not an allowance or a gift.
Who controls the account?
The parent or guardian, as custodian, until the child reaches the age of majority in your state, when control passes to the child.
Can we withdraw the money?
Roth contributions can generally be withdrawn at any time, but earnings have rules and possible penalties. Confirm the current specifics before withdrawing.
Is this better than a 529?
They serve different goals — retirement versus education. Some families use both. This is general information, not tax or financial advice, so weigh your own situation.
Where to go next
Keep learning with expense ratios explained to keep fees low, dollar cost averaging vs lump sum for a steady funding habit, and 529 to Roth rollover for another family savings move.