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Tax Tips

Capital Gains and the Kiddie Tax Under the New Tax Law

Those paying the kiddie tax are in for higher rates that kick in at lower levels — but capital gains are still favored.

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Note: The editors of Kiplinger's Personal Finance magazine and the Kiplinger Tax Letter are answering questions about the new tax law from subscribers to our free Kiplinger Today daily email. See other reader Q&As about the new tax law, or submit your own question.

QNow that the trust and estate tax rates apply for the kiddie tax, is there any break for long-term capital gains and qualified dividends?

AYes. The kiddie tax now uses the trust and estate rates – rather than the parents’ tax rate – to tax unearned income in excess of $2,100 earned by a child under age 19 or, if the child is a full-time student, under age 24. The trust and estate rates on ordinary income range from 10% to 37%, with the top bracket starting at just $12,500.

Long-term gains and qualified dividends are taxed at 0% when income (including the gains and dividends) is under $2,600 and 20% when income exceeds $12,700. In between those amounts, the rate is 15%. Also, note that for kiddie tax purposes, the 3.8% surtax on net investment income hits income over $12,700.