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Tax Planning

Earned vs. Unearned Income: Why the Difference Matters for Taxes

Earned income comes from work and carries payroll tax; unearned income comes from investments. The split drives IRA eligibility, credits, and surtaxes.

Earned vs. Unearned Income: Why the Difference Matters for Taxes

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What is the difference between earned and unearned income?

  • Earned income is pay for work: wages, salaries, bonuses, tips, and net earnings from self-employment.
  • Unearned income comes from money or property, such as interest, dividends, capital gains, rents, royalties, pensions, and annuities.
  • Earned income is subject to Social Security and Medicare taxes; unearned income generally is not.
  • The label also decides IRA eligibility, some credits, the kiddie tax, and which surtax applies.
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Full Guide

What is the difference between earned and unearned income?

  • Earned income is pay for work: wages, salaries, bonuses, tips, and net earnings from self-employment.
  • Unearned income comes from money or property, such as interest, dividends, capital gains, rents, royalties, pensions, and annuities.
  • Earned income is subject to Social Security and Medicare taxes; unearned income generally is not.
  • The label also decides IRA eligibility, some credits, the kiddie tax, and which surtax applies.

How is earned income taxed differently?

  • Employees pay 6.2% Social Security tax on wages up to the 2026 wage base of $184,500, plus 1.45% Medicare tax with no cap.
  • Self-employed people pay both halves, 15.3%, on 92.35% of net earnings once those earnings reach $400.
  • Half of self-employment tax is deducted in figuring adjusted gross income.
  • Earnings covered by Social Security tax count toward future Social Security credits and benefit calculations.

Why does earned income matter for IRAs and 401(k)s?

  • IRA contributions are limited to taxable compensation for the year, up to the annual limit of $7,500 in 2026.
  • A spouse with little or no pay can contribute to an IRA based on the working spouse's compensation when filing jointly.
  • Foreign earned income excluded under the foreign earned income exclusion does not count as compensation for IRA purposes.
  • Workplace plan deferrals come from wages or, for self-employed plans, net self-employment earnings.

Which credits and surtaxes depend on the type of income?

  • The earned income tax credit requires earned income and, for 2026, has a maximum of $8,231 for families with three or more children.
  • Investment income above a limit disqualifies a taxpayer from the earned income tax credit.
  • The 0.9% Additional Medicare Tax applies to wages and self-employment income above $200,000 single or $250,000 joint.
  • The 3.8% net investment income tax applies to investment income when modified AGI exceeds those same thresholds, which are not indexed.

How does a child's unearned income get taxed?

  • Under the kiddie tax, a child's unearned income above $2,700 in 2026 is generally taxed at the parent's rate.
  • A child's wages from a job are taxed at the child's own rates, regardless of the kiddie tax.
  • Earned income also sets how much a child can put into a Roth IRA.
  • For a dependent, the standard deduction is at least $1,350 in 2026, or earned income plus $450 if larger, up to the regular amount.

Key takeaways

  • Earned income carries payroll tax and builds Social Security credits; unearned income usually does not.
  • IRA contributions, the earned income tax credit, and a child's Roth IRA all depend on earned income.
  • High earners can face the 0.9% tax on wages and the 3.8% tax on investment income.
  • How specific income is classified can be technical; confirm with a CPA, since Rubric Advisors does not prepare returns.
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