Income tax is a direct tax which is levied on the income of private individuals. Various income tax systems exist. Those range from a flat tax to an extensive progressive tax[?] system.
Taxes levied on the income of companies is called corporate tax[?].
... of all households are made up of individuals and 5.5% have someone living alone who is 65 years of age or older. The average household size is 3.04 and the average ...