Income tax and many of its states and Switzerland, impose the higher of regular income tax or an alternative tax. Switzerland and U.S. states generally impose such tax only on corporations and base it on capital or a similar measure. Income tax is generally collected in one of two ways: through withholding of tax at source and/or through payments directly by taxpayers. Nearly all jurisdictions require those paying employees or nonresidents to withhold income tax from such payments. The amount to be withheld is a fixed percentage where the tax itself is at a fixed rate. Alternatively, the amount to be withheld
Income tax in the Netherlands as "boxes". There is a progressive tax on wages, profits, social security benefits and pensions. Thus there are tax brackets, each with its own tax rate. Mathematically, apart from discretization (whole euros both for income and for tax), the tax is a continuous, convex, piecewise linear function of income. For 2010, income tax for people under the age 65 is as follows For 2010, the total tax on income (income tax plus mandatory pension, social security and state funded medical care payments, all of which are a percentage of income up to a maximum) for people under the age 65