By factoring inflation into the tax rates and certain other amounts, the law protects taxpayers from losing the value of various benefits. Each fall, the IRS issues two documents detailing the results of these adjustments for the coming year. 2019 IR-2018-222, IRS provides tax inflation adjustments for tax year 2019 IR-2018-211, 401(k) contribution limit increases to $19,000 for 2019; IRA limit increases to $6,000 2018 IR-2017-178, In 2018, Some Tax Benefits Increase Slightly Due to Inflation Adjustments, Others Unchanged IR-2017-177, IRS Announces 2018 Pension Plan Limitations; 401(k) Contribution Limit Increases to $18,500 for 2018Link 2017 IR-2016-139, In 2017, Some Tax Benefits Increase Slightly Due to Inflation Adjustments, Others Are Unchanged IR-2016-141, IRS Announces 2017 Pension Plan Limitations; 401(k) Contribution Limit Remains Unchanged at $18,000 for 2017 2016 IR-2015-119, In 2016, Some Tax Benefits Increase Slightly Due to Inflation Adjustments, Others Are Unchanged IR-2015-118, IRS Announces 2016 Pension Plan Limitations; 401(k) Contribution Limit Remains Unchanged at $18,000 for 2016 2015 IR-2014-104, In 2015, Various Tax Benefits Increase Due to Inflation Adjustments IR-2014-99, IRS Announces 2015 Pension Plan Limitations; Taxpayers May Contribute up to $18,000 to their 401(k) plans in 2015 2014 IR-2013-87, In 2014, Various Tax Benefits Increase Due to Inflation Adjustments IR-2013-86, IRS Announces 2014 Pension Plan Limitations; Taxpayers May Contribute up to $17,500 to their 401(k) plans in 2014 Revenue Procedure 2013-35 — Inflation-Adjusted Items for 2014PDF 2013 IR-2012-78, In 2013, Various Tax Benefits Increase Due to Inflation Adjustments IR-2012-77, IRS Announces 2013 Pension Plan Limitations; Taxpayers May Contribute Up to $17,500 to Their 401(k) Plans in 2013 Revenue Procedure 2012-41 — Inflation-Adjusted Items for 2013PDF 2012 IR-2011-104, In 2012, Many Tax Benefits Increase Due to Inflation Adjustments IR-2011-103, IRS Announces Pension Plan Limitations for 2012 Revenue Procedure 2011-52 — Inflation-Adjusted Items for 2012PDF 2011 IR-2010-127, In 2011, Many Tax Benefits Increase Slightly Due to Inflation Adjustments IR-2010-108, IRS Announces Pension Plan Limitations for 2011 Revenue Procedure 2011-12 — Tax rates, standard deductions, exemptions and other items for 2011PDF 2010 IR-2009-94, IRS Announces Pension Plan Limitations for 2010 IR-2009-93, Inflation Having Little Effect on Tax Rates and Benefits in 2010 Revenue Procedure 2009-50 — Tax rates, standard deductions, exemptions and other items for 2010PDF 2009 IR-2008-118, IRS Announces Pension Plan Limitations for 2009 IR-2008-117, 2009 Inflation Adjustments Widen Tax Brackets and Expand Tax Benefits Revenue Procedure 2008-66 — Tax rates, standard deductions, exemptions and other items for 2009PDF 2008 IR-2007-172, 2008 Inflation Adjustments Widen Tax Brackets Revenue Procedure 2007-66 — Tax rates, standard deductions, exemptions and other items for 2008PDF 2007 IR-2006-162, IRS Announces Pension Plan Limitations for 2007 Revenue Procedure 2006-53 — Tax rates, standard deductions, exemptions and other items for 2007PDF 2006 IR-2005-120, IRS Announces Pension Plan Limitations for 2006 Revenue Procedure 2005-70 — Tax rates, standard deductions, exemptions and other items for 2006PDF 2005 IR-2004-127, IRS Announces Pension Plan Limitations for 2005 Revenue Procedure 2004-71 — Tax rates, standard deductions, exemptions and other items for 2005PDF 2004 IR-2003-122, IRS Announces Pension Plan Limitations for 2004 Revenue Procedure 2003-85 — Tax rates, standard deductions, exemptions and other items for 2004PDF 2003 Inflation-adjusted items for 2003