A flat percent based tax system does tax the rich more effectively Where do you get that idea? Most countries have progressive taxes, i.e. tax bands, because i

A flat percent based tax system does tax the rich more effectively Where do you get that idea? Most countries have progressive taxes, i.e. tax bands, because it's an effective way to raise a good amount of government income. With a flat rate, the tax burden on the lowest earners would be very heavy, especially as poor people spend a much higher fraction of their earnings on day-to-day essentials rather than luxuries. Flat income tax looks somewhat uncommon around the world, judging from Wikipedia: https://en.wikipedia.org/wiki/Flat_tax#Around_the_world https://en.wikipedia.org/wiki/Flat_tax#Around_the_world