SOI Tax Stats - 2009 Charities and tax-exempt microdata files

Microdata files for all 2009 Forms 990 and 990-EZ sampled for the annual SOI studies of tax-exempt organizations.
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Tax Professionals

SOI Tax Stats - Corporation Source Book: Data file

Compressed Source Book Data files, 2004-2013
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Tax Professionals

SOI Tax Stats - County-to-county record layouts - .DAT files

Record Layouts - Required for .dat Files
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SOI Tax Stats - 2002 Charities and tax-exempt microdata files

2002 Charities & Tax-Exempt Microdata Files
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Tax Professionals

SOI tax stats - Individual statistical tables by filing status

Individual tax statistics data by marital/filing status
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SOI Tax Stats - Estate tax filing year tables

SOI Tax Stats - Estate Tax Filing Year Tables
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SOI tax stats - Projections of federal tax return filings

Look here for projections of number of returns to be filed with the IRS. This area includes IRS Publications 6149, 6186, 6187, 6292, and 6961, and more.
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Individuals, Tax Professionals

SOI Tax Stats - 1993 Charities and tax-exempt microdata files

1993 Charities & Tax-Exempt Microdata Files
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SOI Tax Stats - 1988 Charities and tax-exempt microdata files

1988 Charities & Tax-Exempt Microdata Files
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SOI Tax Stats - 1994 Charities and tax-exempt microdata files

1994 Charities & Tax-Exempt Microdata Files
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