National Center for Charitable Statistics
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Main > 6. Nonprofit Research Databases > IRS Statistics of Income Files (SOI)

Items
  • SOI File Documentation and User Notes
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  • Inconsistencies in SOI Coding (Technical Note)
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  • SOI Data Dictionaries 1992-2005: Forms 990/990EZ and 990PF marked with SOI field names
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  • SOI Data Dictionaries 1999: Forms 990, 990 Schedule A, 990EZ, 990PF marked with SOI field names
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  • SOI Data Dictionaries 2005: Forms 990, 990 Schedule A, 990EZ, 990PF marked with SOI field names
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  • IRS SOI Sampling - Background and Changes in Strata (Technical Note)
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  • IRS Statistics of Income Division (SOI) Exempt Organization Files (Technical Note)
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  • NTEE Classification in the SOI (Technical Note)
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