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Trump Account calculator: project the balance, the $1,000 seed, and the tax at withdrawal

Trump Accounts are the new tax-advantaged children's savings accounts created by the One Big Beautiful Bill Act (26 U.S.C. §530A). Enter a child's birth year and a few assumptions to project the account's balance year by year, including the one-time $1,000 federal seed contribution (for children born 2025-2028), and see what's actually taxable if the whole account is withdrawn at a given age -- including the 10% early-withdrawal tax where it applies. This models current law and current (partly temporary, partly still-proposed) Treasury guidance as of October 2026, not assumptions or secondary-source summaries.

✓ Checked26 U.S.C. §530A, §128, §6434 (added by OBBBA, P.L. 119-21, §70204); IRS Notice 2025-68; Treasury's September 2026 temporary regulations (T.D. 10056, 26 CFR §1.530A-1T) and pending proposed regulations (REG-117002-25, REG-101355-26, CC-00349938-26)
After-tax value if withdrawn at the age above–
Account balance at withdrawal
Total contributed (seed + family + employer)
Of which: $1,000 federal seed
Of which: from parents/family/friends (this is your "basis" -- comes out tax-free)
Of which: from employer (excluded from income, but NOT basis -- fully taxable later)
Investment growth
Taxable amount at withdrawal (balance minus basis)
Ordinary income tax on that amount (at your assumed rate)
10% early-withdrawal additional tax (section 72(t))
YearAgeContribution this yearBalance at year end

The $1,000 federal seed is opt-in -- it requires an election under 26 U.S.C. §6434 with the child's Social Security number, and only children born 2025-2028 who are U.S. citizens qualify. The $5,000/year contribution limit (and the separate $2,500/year employer sub-limit) are the amounts set for 2026-2027; they're indexed upward after 2027 by a cost-of-living formula Treasury hasn't yet published numbers for, so this tool uses the fixed current-law figures for every year modeled. Before the year the child turns 18, the account can only hold a mutual fund or ETF tracking a qualifying U.S.-stock index (such as the S&P 500) with annual fees under 0.1% -- no individual stocks, no leverage, no sector funds. After that, it's taxed and governed exactly like an ordinary traditional IRA: no special "qualified use" tax break for education, a home, or a business exists in the statute -- only the standard decades-old IRA rules apply. Not tax or investment advice.

How it works

Trump Accounts (26 U.S.C. §530A, added by the OBBBA) let family, friends and employers contribute up to a combined $5,000/year (employer capped at $2,500 of that) to a restricted index-fund account for a child, plus a one-time $1,000 federal seed (§6434) for children born 2025-2028 who claim it. No contribution can be made before July 4, 2026, and no withdrawal before the beneficiary turns 18 -- after that it is an ordinary traditional IRA, with no special tax-free "qualified use" break for education, a home or a business. More in the Trump Accounts guide, including six worked examples and the $1,000-seed-missed-by-one-year case.

Worked examples