Welcome to tax stats Here you will find a wide range of tables, articles, and data that describe and measure elements of the U.S. tax system. Check out What's new. Business tax statistics Corporations International Partnerships Nonfarm sole proprietorships S corporations All topics Charitable & Exempt Organizations statistics Charities Private foundations Exempt org. population data Trusts Tax-exempt bonds All topics Individual tax statistics Individual income tax Estate & gift tax Filing season stats International Personal wealth All topics Products, publications and papers SOI Bulletins IRS Data Books Archive SOI working papers U.S. population migration data Historical data tables Statistics by form All topics Other IRS data and research The tax gap Taxpayer compliance research Projections IRS Research Conference All topics Statistics of Income (SOI) About SOI Dissemination Policy SOI products and services SOI data releases Statistical methodology All topics