According to IRS Data Book for Fiscal Year 2008, a total of 250,379,000 tax returns were filed for 2007. Of that total, individual taxpayers filed 154,346,000.
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Some do. Some don't. I don't recall exactly what the number is but I think if your income is less than about $13,000 you are not required to pay income tax. You can probably find the exact number at...
Well it is fair to say everyone pays takes of some type. Sales tax, property tax, excise taxes, etc. - if you mean income tax -suprisingly few. Basically, 95% of all income tax is paid by only he top...