Here you will find forecasts of the number of returns to be filed for tax forms within the individual, tax-exempt, and business areas. This information is available in a SOI Bulletin article which includes the data as well as explanatory text, or in a table containing the data only. SOI Bulletin article The following article is available as a PDF file. A free Adobe® reader is available for download, if needed. Projections of Federal Tax Return Filings: Calendar Years 2009-2016 PDF Data table The following table is available as a Microsoft Excel® file. A free Excel viewer is available for download, if needed. Total Number of Returns to be Filed with the Internal Revenue Service: Calendar Years 2009-2016 XLS