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 Australia of an asset in an enterprising manner. Income from investment or property is also classified as ordinary income and can include: rent from a lease, interest on a loan, dividends and royalties. When assessing the amount of ordinary income, only the profits are counted based on a notional basis. A resident for tax purposes is subject to income tax on income from all sources, whereas non-residents for tax purposes are only subject to income tax in Australia on their income from Australian sources. There are four tests to determine whether an individual is a resident for income tax purposes: A