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Individual/Sole Proprietorship Complete Report Files (Available 2025)
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** IMPORTANT NOTE: The SOI 2025 Application Window will be open from June 1 through June 30, 2025. Research proposals that seek to use this and other IRS data files will only be accepted and reviewed during that period**
The SOI Individual Complete Report sample is a probability sample of unaudited Individual Income Tax Returns (Form 1040 and 1040-SR (including electronic returns)) filed by U.S. citizens and residents during a Calendar Year. The sample is drawn to estimate the entire population of US Individual taxpayers for a given calendar year. The annual sample contains approximately 360,000 returns comprised of a possible 4,000 data items extracted from over 70 forms and schedules.
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- Individual Income Tax Data
** IMPORTANT NOTE: The SOI 2025 Application Window will be open from June 1 through June 30, 2025. Research proposals that seek to use this and other IRS data files will only be accepted and reviewed during that period**
The SOI Individual Complete Report sample is a probability sample of unaudited Individual Income Tax Returns (Form 1040 and 1040-SR (including electronic returns)) filed by U.S. citizens and residents during a Calendar Year. The sample is drawn to estimate the entire population of US Individual taxpayers for a given calendar year. The annual sample contains approximately 360,000 returns comprised of a possible 4,000 data items extracted from over 70 forms and schedules.