Income tax in the United States income taxes. This foreign tax credit is limited to that part of current year tax caused by foreign source income. Determining such part involves determining the source of income and allocating and apportioning deductions to that income. States tax resident individuals and corporations on their worldwide income, but few allow a credit for foreign taxes. In addition, Federal income tax may be imposed on non-resident non-citizens, including corporations, on U.S. source income. Federal tax applies to interest, dividends, royalties, and certain other income of nonresident aliens and foreign corporations at a flat rate of 30%. This rate is often reduced
Legal history of income tax in the United States bonds) was within the category of an excise or duty, and was neither a capitation tax (based on population) nor a property tax. The court also concluded that direct taxes, within the meaning of the Constitution, were only capitation taxes and taxes on real estate. In 1894, a Democratic-led Congress passed the Wilson-Gorman tariff. This imposed the first peacetime income tax. The rate was 2% on income over $4000, which meant fewer than 10% of households would pay any. The purpose of the income tax was to make up for revenue that would be lost by tariff reductions. This was