The Fundamental Difference: Earned Income
A Custodial Roth IRA requires your child to have earned income — from a job, babysitting, lawn mowing, etc. Contributions are limited to the lesser of their earned income or $7,000/year. A 530A Trump Account requires zero earned income. Any U.S. child under 18 with a Social Security number can have one. This makes 530A accounts accessible to every family.
Tax Treatment: The Roth Wins Long-Term
Roth IRA: contributions are after-tax, growth is tax-free, qualified withdrawals are completely tax-free. 530A account: contributions are mostly after-tax, growth is tax-deferred, withdrawals are taxed as ordinary income. On pure tax efficiency, the Roth IRA wins for long-term wealth building — but only if your child has earned income.
The $1,000 Government Bonus Changes Everything
The 530A account comes with something a Roth IRA will never offer: a free $1,000 from the federal government for eligible newborns. That's an instant 20% return on your first year's $5,000 contribution before you invest a single dollar of your own money.
Investment Choices
Roth IRA: invest in virtually anything — stocks, ETFs, mutual funds, bonds, REITs. 530A account: limited to low-cost U.S. equity index funds with fees under 0.10%. The Roth offers more flexibility, but the 530A's index-fund-only rule actually enforces smart investing habits and eliminates the temptation to chase bad investments.
Contribution Limits Side by Side
Roth IRA: up to $7,000/year (or earned income, whichever is less). 530A: up to $5,000/year from individuals plus up to $2,500 from employers. If your child has earned income, a Roth IRA allows slightly higher contributions. If your child has no earned income, the 530A is your only option between these two.
The Smart Move: Use Both
If your child has earned income, open both. Fund the 530A first to grab the government $1,000, then max out a Custodial Roth IRA for the superior long-term tax treatment. If your child has no earned income, the 530A is the best tool available right now. Either way — the best account is the one you actually open and fund consistently.
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