SOI Tax Stats - Private foundations harmonized microdata files (XML)

SOI Form 990-PF Historical Microdata in XML format, Tax Years 1985-2013
About IRS

SOI Tax Stats - Foreign corporations with U.S. business operations

International Tax Statistics Foreign Corporations With U.S. Business Operations (Form 1120F)
About IRS
Tax Professionals

SOI Tax Stats - Payroll tax statistics

The data on this page presents payroll tax information reported on Form 941, Employer’s Quarterly Federal Tax Return. The data for this table are based on the population of Form 941 returns received and processed by the IRS, shown as reported by the taxpayer before IRS examination.
General Information

SOI Tax Stats - Corporation depreciation data

These tables provide by NAICS industrial sector the numbers of returns claiming depreciation and the respective amounts from nearly all lines on the front page of the Form 4562, “Depreciation and Amortization”. The data exclude amounts reported on Forms 1120-S, 1120-REIT, and 1120-RIC.
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Taxpayer usage of Form 1040 and Form 1040A, 1980

Taxpayer usage of Form 1040 and Form 1040A, 1980
About IRS

SOI Tax Stats - 2011 Charities and other tax-exempt organizations microdata files

Microdata and documentation for the Tax Year 2011 SOI Study of Exempt Organizations (from Forms 990 and 990-EZ)
About IRS
Tax Professionals

Form 990 Extract

13eofinextract990.zip Form 990 Extract

Reconciling Form 1040 and Form 1099-R Data Research Paper

Reconciling Form 1040 and Form 1099-R Data
About IRS
Tax Professionals

SOI tax stats - 2016 Charities and other tax-exempt organizations microdata files

Microdata files for all 2016 Forms 990 and 990-EZ sampled for the annual SOI studies of tax-exempt organizations.
Tax Administration (Non-Authoritative)
News Media, Tax Professionals, Attorney, Charities and Nonprofits, Governments

SOI Tax Stats - 2017 Charities and other tax-exempt organizations microdata files

Microdata files for all 2017 Forms 990 and 990-EZ sampled for the annual SOI studies of tax-exempt organizations.
General Information