"Figure 3: Alternative measures also show income inequality increasing in financial year 2018","" "Gini coefficient, S80/S20 ratio, P90/P10 ratio and Palma ratio for equivalised disposable income, all households, 1977 to financial year ending 2018, 1977 = 100","" "","" "Notes","1. Indices are calculated relative to 1977 values. 2. 2017 to 2018, which represents the financial year ending 2018, (April to March), and similarly for all other years expressed in this format. 3. A previous version of this chart included labelled financial year ending 2000 as 1999-90 on the chart axis, and in the data download. This has now been corrected to 1999-2000." "Unit","1977 = 100" "","" "","S80-S20","P90-P10","Palma","Gini" "1977 ","100.0","100.0","100.0","100.0" "1978 ","97.3","98.4","96.9","97.8" "1979 ","99.9","102.0","98.8","99.7" "1980 ","107.0","107.0","106.2","104.5" "1981 ","108.5","107.1","109.9","107.2" "1982 ","108.5","104.2","112.6","108.0" "1983 ","113.1","112.4","115.1","110.8" "1984 ","106.4","106.1","108.3","105.8" "1985 ","121.8","121.7","122.7","116.0" "1986 ","123.0","118.6","127.5","117.7" "1987 ","133.8","128.5","137.1","123.4" "1988 ","149.1","139.1","149.6","130.3" "1989 ","147.4","140.3","144.1","127.9" "1990 ","164.2","152.0","162.7","136.6" "1991 ","157.0","151.8","153.6","132.8" "1992 ","152.1","144.8","149.7","130.7" "1993 ","152.5","144.7","153.3","132.2" "1994 - 1995","142.5","136.6","143.7","127.3" "1995 - 1996","143.3","136.5","141.5","126.6" "1996 - 1997","149.6","140.4","149.5","130.2" "1997 - 1998","152.0","142.9","149.9","130.8" "1998 - 1999","159.7","147.2","159.1","134.9" "1999 - 2000","164.7","147.3","164.8","137.3" "2000 - 2001","157.1","143.4","158.4","134.5" "2001 - 2002","163.1","144.4","163.2","136.7" "2002 - 2003","146.1","136.2","144.5","128.5" "2003 - 2004","144.3","128.1","146.9","128.5" "2004 - 2005","139.5","130.2","140.2","125.3" "2005 - 2006","145.4","134.0","146.5","128.8" "2006 - 2007","154.7","138.8","156.6","133.7" "2007 - 2008","152.8","141.1","149.6","130.5" "2008 - 2009","147.6","134.4","147.5","129.5" "2009 - 2010","143.9","133.8","144.1","127.9" "2010 - 2011","145.0","131.4","150.5","130.4" "2011 - 2012","133.2","124.0","136.2","123.1" "2012 - 2013","144.1","129.2","148.1","129.2" "2013 - 2014","138.8","129.5","137.2","124.5" "2014 - 2015","141.1","132.8","139.4","125.5" "2015 - 2016","133.4","123.1","133.5","122.2" "2016 - 2017","134.7","123.9","135.2","123.0" "2017 - 2018","143.4","130","143.9","127.5"