Income tax in the United States Income tax in the United States Income taxes in the United States are imposed by the federal, most state, and many local governments. The income taxes are determined by applying a tax rate, which may increase as income increases, to taxable income, which is the total income less allowable deductions. Income is broadly defined. Individuals and corporations are directly taxable, and estates and trusts may be taxable on undistributed income. Partnerships are not taxed, but their partners are taxed on their shares of partnership income. Residents and citizens are taxed on worldwide income, while nonresidents are taxed only on income
Income tax in the United States income tax in the above example would be $3,980.00. In addition to income tax, a wage earner would also have to pay Federal Insurance Contributions Act tax (FICA) (and an equal amount of FICA tax must be paid by the employer): Total federal tax including employer's contribution: Effective tax rates are typically lower than marginal rates due to various deductions, with some people actually having a negative liability. The individual income tax rates in the following chart include capital gains taxes, which have different marginal rates than regular income. Only the first $118,500 of someone's income is subject to social