What Is Federal Income Tax and How Does It Work?
What Is Federal Income Tax and How Does It Work? The federal income tax is a cornerstone of the U.S. government’s revenue system. It helps fund everything from national defense to education and infrastructure. If you’ve ever received a paycheck or filed a tax return, you’ve interacted with this system—but how exactly does it work? This guide breaks it all down in simple, clear terms. 1. Definition of Federal Income Tax Federal income tax is a tax levied by the U.S. government on the annual earnings of individuals, businesses, trusts, and other legal entities. The Internal Revenue Service (IRS) is responsible for collecting and enforcing income taxes in the U.S. 2. Who Pays Federal Income Tax? All U.S. citizens and residents who earn above certain income thresholds Self-employed individuals (including freelancers and gig workers) Businesses (corporate taxes are separate but related) Some non-residents with U.S.-sourced income Even i...