Tax statistics | Washington Department of Revenue

The annual tax return is due April 15.

Learn more about annual filing requirements.

Tax Statistics 2024 - published October 2025
Tax Statistics 2023 - published June 2024
Tax Statistics 2022 - published March 2023
Tax Statistics 2021 - published December 2021
Tax Statistics 2020 - published December 2020
Tax Statistics 2019 - published April 2020
Tax Statistics 2018 - published January 2019
Tax Statistics 2017 - published January 2018
Tax Statistics 2016 - published February 2017
Tax Statistics 2015 - published December 2015
Tax Statistics 2014 - published December 2014
Tax Statistics 2013 - published November 2013
Tax Statistics 2012 - published December 2012
Tax Statistics 2011 - published September 2011
Tax Statistics 2010 - published October 2010
Tax Statistics 2009 - published September 2009
Tax Statistics 2008 - published October 2008
Tax Statistics 2007 - published January 2008
Tax Statistics 2006 - published January 2007
Tax Statistics 2005 - published February 2006
Tax Statistics 2004 - published February 2005
Tax Statistics 2003 - published February 2004
Tax Statistics 2002 - published January 2003
Tax Statistics 2001 - published April 2002
Tax Statistics 2000 - published March 2001