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 rates, but is calculated automatically by the ATO when a tax return is lodged. Individuals under 18 years of age are taxed differently from adults. This rate does not apply to "excepted" income, which includes employment income and inheritances. Financial year 2018-19 The Medicare levy does not apply to non-residents, and a non-resident is not entitled to the low income tax offset. For prior tax years, see . Income tax on wages is collected by means of a withholding tax system known as Pay-as-you-go (PAYG). For employees with only a single job, the level of taxation at the end of