SOI Tax Stats - Calendar year projections, Publication 6149

IRS Publication 6149 contains multi-year projections of the number of tax returns to be filed with the IRS by state—as determined by the addresses on the tax returns.
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Individuals, Tax Professionals

SOI Tax Stats - Calendar year projections, Publication 6186

IRS Publication 6186 contains multi-year projections of the number of tax returns to be filed with the IRS by the calendar year of filing.
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Individuals, Tax Professionals

SOI Tax Stats - Fiscal year projections, Publication 6292

IRS Publication 6292 contains multi-year projections of the number of tax returns to be filed with the IRS by fiscal year of filing.
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Individuals, Tax Professionals

SOI tax stats - Calendar year projections, Publication 6187

IRS Publication 6187 contains multi-year projections of the number of individual Form 1040 series returns to be filed with the IRS by major processing categories important to IRS planning operations.
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SOI Tax Stats - Projections publications: Supplemental tables

Projections of Federal Tax Return Filings, SOI Tax Stats - Projections Publications: Supplemental Tables
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SOI Tax Stats - Corporation Income Tax Returns Complete Report (Publication 16)

Download the Corporation Complete Report publication, a collection of statistics sorted by industry, size of total assets and size of business receipts.
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SOI Tax Stats - Individual Income Tax Returns Line Item Estimates (Publications 4801 and 5385)

SOI Tax Stats - Individual Income Tax Returns, Line Item Estimates
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Tax Professionals

SOI Tax Stats - Individual income tax returns complete report (Publication 1304) - Basic tables part 3

Contains complete individual income tax data. The statistics are based on a sample of individual income tax returns, selected before audit, which represents a population of Forms 1040, 1040A, and 1040EZ, including electronic returns. The report contains data on sources of income, adjusted gross income, exemptions, deductions, taxable income, income tax, modified taxable income, tax credits, self-employment tax, and tax payments.
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Individuals, Tax Professionals

SOI tax stats - Individual income tax returns complete report (Publication 1304) - Basic tables part 2

Contains complete individual income tax data. The statistics are based on a sample of individual income tax returns, selected before audit, which represents a population of Forms 1040, 1040-A, and 1040-EZ, including electronic returns. The report contains data on sources of income, adjusted gross income, exemptions, deductions, taxable income, income tax, modified taxable income, tax credits, self-employment tax, and tax payments.
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Individuals, Tax Professionals

SOI Tax Stats - Individual income tax returns complete report (Publication 1304) - Basic tables part 1

Contains complete individual income tax data. The statistics are based on a sample of individual income tax returns, selected before audit, which represents a population of Forms 1040, 1040A, and 1040EZ, including electronic returns. The report contains data on sources of income, adjusted gross income, exemptions, deductions, taxable income, income tax, modified taxable income, tax credits, self-employment tax, and tax payments.
About IRS
Individuals, Tax Professionals