• With this type of tax, the percentage of income paid in taxes increases as the taxpayer’s income increases. Most income taxes are progressive, so that higher incomes are taxed at a higher rate. But a tax can be progressive without using graduated rates.
— Also termed graduated tax. Cf. regressive tax; flat tax. [Cases: Internal Revenue 3545–3552; Taxation 1061–1065. C.J.S. Internal Revenue §§ 331–333, 335, 358–361, 797; Taxation § 1698.]