noun
progressive tax
A tax system where the tax rate increases as the taxable amount increases. Often contrasted with 逆進税 (regressive tax).
See also: 逆進税
累進税は高所得者により高い税率を課す制度です。
A progressive tax is a system that imposes higher tax rates on high-income earners.
逆進税 is a regressive tax, where the tax rate decreases as the taxable amount increases, opposite to 累進税.
Compound of 累進 (progressive, graduated) and 税 (tax).