Excel Viewer Adobe® Reader Statistics of Income (SOI) Bulletin, Fall 2023 (Publication 1136) PDF The Statistics of Income Bulletin is issued quarterly by the Statistics of Income Division of the Internal Revenue Service. This report provides the earliest published annual financial statistics obtained from the various types of tax and information returns filed, as well as information from periodic or special analytical studies of particular interest to students of the U.S. tax system, tax policymakers, and tax administrators. Featured articles Partnership Returns, Tax Year 2021 PDF by Ron DeCarlo, Tuba Ozer-Gurbuz, and Nina Shumofsky Partnerships filed 4.5 million returns for the year, representing more than 30 million partners. The real estate and leasing sector contained about half of all partnerships (49.6 percent) and nearly a third of all partners (32.3 percent). Related Link: Partnership statistics Departments SOI sampling methodology and data limitations Upcoming SOI data releases Historical Tables and Appendix