"Figure 17: Income begins to outpace costs for middle-income households after 2015","" "Mean equivalised household disposable income (nominal) and Household Costs Indices cumulative growth, UK, financial years ending 2006 to 2018","" "","" "Notes","" "Unit","Index: financial year ending 2006 = 100" "","" "Financial year","Income (fifth decile)","HCI (fifth decile)" "2005/06","100","100" "2006/07","105.2","103.4" "2007/08","108.1","106.6" "2008/09","110.1","110.6" "2009/10","114.6","111.9" "2010/11","116.7","116.1" "2011/12","119.3","121.4" "2012/13","120.2","124.6" "2013/14","126.4","127.4" "2014/15","131.6","128.5" "2015/16","134.6","128.5" "2016/17","139.8","130" "2017/18","144.7","133.6"