"Figure 1: Income inequality slightly increased in the financial year ending 2018","" "Gini coefficients for original, gross and disposable income, UK, 1977 to financial year ending 2018","" "","" "Notes","1. 2017 to 2018, which represents the financial year ending 2018, (April to March), and similarly for all other years expressed in this format. 2. Original income includes all sources of income from employment, private pensions, investments and other non-government sources. The receipt of cash benefits is then added to original income to estimate gross income. Finally, direct taxes are subtracted from gross income to estimate disposable income. 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","%" "","" "","Original","Gross","Disposable" "1977 ","36.8","27.7","25.5" "1978 ","37.1","27.6","25.0" "1979 ","37.2","27.6","25.4" "1980 ","38.3","28.8","26.7" "1981 ","40.3","29.8","27.4" "1982 ","41.7","29.9","27.6" "1983 ","43.3","31.0","28.3" "1984 ","43.0","30.0","27.0" "1985 ","44.8","32.5","29.6" "1986 ","45.2","32.8","30.1" "1987 ","46.2","34.2","31.5" "1988 ","45.8","35.1","33.3" "1989 ","44.9","34.4","32.7" "1990 ","46.7","36.6","34.9" "1991 ","46.6","36.0","33.9" "1992 ","48.0","35.9","33.4" "1993 ","49.5","36.5","33.7" "1994 - 1995","48.5","35.7","32.5" "1995 - 1996","48.3","35.6","32.3" "1996 - 1997","48.5","36.2","33.2" "1997 - 1998","48.2","36.4","33.4" "1998 - 1999","49.0","37.4","34.4" "1999 - 2000","49.0","37.8","35.1" "2000 - 2001","47.9","36.9","34.3" "2001 - 2002","48.7","37.9","34.9" "2002 - 2003","47.3","36.2","32.8" "2003 - 2004","47.7","36.2","32.8" "2004 - 2005","46.9","35.4","32.0" "2005 - 2006","47.9","36.2","32.9" "2006 - 2007","48.5","37.2","34.1" "2007 - 2008","47.8","36.4","33.3" "2008 - 2009","48.1","36.1","33.1" "2009 - 2010","48.8","36.1","32.7" "2010 - 2011","49.2","36.5","33.3" "2011 - 2012","48.3","35.2","31.4" "2012 - 2013","49.3","36.5","33.0" "2013 - 2014","47.3","35.3","31.8" "2014 - 2015","47.3","35.3","32.0" "2015 - 2016","46.6","34.7","31.2" "2016 - 2017","45.8","34.6","31.4" "2017 - 2018","46.3","35.6","32.5"