Cite Get filing info, stats on federal and state taxes, as well as a history of the U.S. tax system, the IRS and more. History of the Income Tax in the United States Internal Revenue Service Federal Individual Income Tax Percent Income Earned and Federal Taxes Paid State Taxes on Individuals Federal Expenditures by State per Dollar Sent Federal Estate and Gift Taxes Federal Corporation Taxes State Corporation Income and Franchise Taxes Number of Individual Income Tax Returns Filed Electronically Brewer's: Bus Sources Our Common Sources
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