children

The so-called “kiddie tax” can cause some of a child’s unearned income to be taxed at the parent’s higher marginal federal income tax rates instead of at the usually much lower rates that a child would otherwise pay. For purposes of this federal income tax provision, a “child” can be up to 23 years old. So, the kiddie tax can potentially affect young adults as well as kids.

Kiddie tax basics

Perhaps the most important thing to know about this poorly understood provision is that, for a student, the kiddie tax can be an issue until the year that he or she turns age 24. For that year and future years, your child is finally kiddie-tax-exempt.

The kiddie tax is only assessed on a child’s (or young adult’s) unearned income. That usually means interest, dividends and capital gains. These types of income often come from custodial accounts that parents and grandparents set up and fund for younger children.

Earned income from a job or self-employment is never subject to the kiddie tax.

Calculating the tax

To determine the kiddie tax, first add up the child’s (or young adult’s) net earned income and net unearned income. Then subtract the allowable […]