The linked files are available as Microsoft Excel® files. A free Excel Viewer is available for download, if needed.
Numbers of returns filed by type of return and fiscal year
- 2024 XLSX
 - 2023 XLSX
 - 2022 XLSX
 - 2021 XLSX
 - 2020 XLSX
 - 2019 XLSX
 - 2018 XLS
 - 2017 XLS
 - 2016 XLS
 - 2015 XLS
 - 2014 XLS
 - 2013 XLS
 - 2012 XLS
 - 2011 XLS
 - 2010 XLS
 - 2009 XLS
 - 2008 XLS
 - 2007 XLS
 - 2006 XLS
 - 2005 XLS
 - 2004 XLS
 - 2003 XLS
 - 2002 XLS
 - 2001 XLS
 - 2000 XLS
 - 1999 XLS
 - 1998 XLS
 - 1997 XLS
 - 1996 XLS
 - 1995 XLS
 
Return to the IRS Data Book webpage