The current U.S. [[Income tax]] is progressive; it increases the rate paid by the taxpayer as income increases. Flat Tax supporters call that unfair and state that the Flat Tax treats all tax payers equal as it has one single bracket. | The current U.S. [[Income tax]] is progressive; it increases the rate paid by the taxpayer as income increases. Flat Tax supporters call that unfair and state that the Flat Tax treats all tax payers equal as it has one single bracket. |