Michigan
Alaska
A.Wyoming
state corporate income taxes
For 2009 Illinois has a Personal state income tax flat rate range of 3 % of federal adjusted gross income The above information comes from the RETIREMENTLIVING com website
flat income tax
For the 2009 tax year the state of Texas does not have a personal state income tax return that has to be filed. The federal income tax return payment and date is April 15 2010.
For example, Slovakia - 19% flat tax rate (Corporate income tax, Personal income tax, and Value-Added Tax)
A proportional income tax on individual income with no regard to how large your income is
Personal Income Taxes Tax Rate Range: Flat rate of 3.07%
Illinois has a flat tax for individual income.
New Mexico