Income tax in the United States increase complexity, irrespective of the system's flatness or lack thereof. Income tax is also levied by most U.S. states and many localities on individuals, corporations, estates, and trusts. These taxes are in addition to federal income tax and are deductible for federal tax purposes. State and local income tax rates vary from 1% to 16% of taxable income. Some state and local income tax rates are flat (single rate) and some are graduated. State and local definitions of what income is taxable vary highly. Some states incorporate the federal definitions by reference. Taxable income is defined separately and differently for
Income tax in the Netherlands substantial interest, even if they do not amount to 5%. Income from substantial interest includes: For 2007 only there was a reduced rate ranging from 22 to 25%. See also . There is a flat tax on the total value of the savings and investments of 1.2% per year. It is nominally part of the income tax, as a 30% tax on a fixed assumed yield of 4% of the value of the assets (this is regardless of the actual income from the assets). EUR 21,139 (2012; higher for 65+ with a low income) of the value of the assets