Progressive income tax 

The more money you make, the higher taxes you pay.

Antonym: flat tax

We need to make taxation more progressive and raise taxes on the wealthy.

Progressive income tax by The Drafted's guitar player September 6, 2005

Progressive income tax 

An income tax that becomes more and more burdensome and/or complex over time.

Progressive income tax

The "progressive income tax" like the income tax system of the United States of America is one of the ten planks of the Communist Manifesto by Karl Marx.

Progressive income tax by Jon Davis January 14, 2004