IRS TAX RATES
SOI tax statistics --İndividual statictics tables by Tax rates and percentile income
Tax stats: http://www.irs.gov/taxstats/index.html
A complete table with various sources and publications by the Tax rates and percentible values
All files are available for Excel file.If you need a Excel
The tables are classified like the following categories.
1-Individual income and changed taxable income return (http://www.irs.gov/taxstats/indtaxstats/article/0,,id=133521,00.html#_grp1) MTI is a term to describe Tax return subjects and it is base subject to calculate tax.Inside past years tax return , To the calculate , bethink the past year’s stats and so you can calculate your tax.
2-Positive adjusted all income with Individual income and tax return http://www.irs.gov/taxstats/indtaxstats/article/0,,id=133521,00.html#_grp2 : AGI is defined by tax codes to law versions and income .
3-Individual tax return adjusted with “Positive 1979 income consept.” http://www.irs.gov/taxstats/indtaxstats/article/0,,id=133521,00.html#_grp3
Those descriptions which based on basic years will used to be content of next years.