SOI Tax Stats - Migration data 2020–2021

Migration Data 2020-2021: Data files are available for download in Comma Separated Values files (.csv file extension)—Data items are separated by commas, where each new line represents a new row, and by Excel files by State (.xlsx file extension).
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Tax Professionals

SOI Tax Stats - Controlled foreign corporations

Corporation Tax Statistics Controlled Foreign Corporations
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SOI tax stats - Individual statistical tables by filing status

Individual tax statistics data by marital/filing status
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SOI Tax Stats - Chief Counsel Workload: Tax Litigation Cases, by Type of Case - IRS Data Book Table 31

Chief Counsel Workload: Tax Litigation Cases, by Type of Case
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SOI Tax Stats - Partnership statistics by sector or industry

Partnership Statistic by Sector or Industry
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Tax Professionals, Partnerships

SOI Tax Stats - Transactions of foreign-owned domestic corporations

"Foreign Owned" generally indicates U.S. corporations that have a foreign entity that owns 25 percent or more of the corporation's voting stock.
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When it comes to tax scams, knowledge is power

Get a closer look at how the IRS Office of Fraud Enforcement is combatting identity theft, refund fraud and other criminal activity and learn ways that you can help in the fight.
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SOI Tax Stats - Civil Penalties Assessed and Abated, by Type of Tax and Type of Penalty - IRS Data Book Table 28

Civil Penalties Assessed and Abated, by Type of Tax and Type of Penalty and Fiscal Year
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SOI Tax Stats - International boycott report statistics

International Tax Statistics International Boycotts
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Tax Professionals

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

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