This page contains links to our data products and publications as well as papers written by members of the Statistics of Income (SOI) Division of the IRS, and others, on related topics. Upcoming SOI Data Releases The Upcoming Data Release list contains information on our current and future projects, as well as the project frequency, program content, and information on close of filing and sampling periods. For more information on items listed in each category below, click the subheadings to go directly to each topic listed. Periodic publications Click the links below to learn more about each of our serial publications. Most of our publications are released annually or quarterly. IRS Data Books SOI Bulletins Projections Corporation Complete Reports Individual Complete Reports Compendium of Studies of Tax-Exempt Organizations Program Documentation Data Items by Forms and Schedules IRS Research Conference & Bulletins SOI Publications Archive Report to Congress Data products Click the links below to view our data file products. Most of these data products are available as free downloads. Historical Data Tables U.S. Population Migration Data County Income Data Zip Code Data Individual Public-Use Microdata Files Papers Select the links below to view listings of papers written by members of the Statistics of Income Division of the Internal Revenue Service. Joint Statistical Research Program By Conference or Symposium By Author Full Portfolio of Research Papers