Reference year Gini coefficientsa S80/S20 rate (proportion of the highest and the lowest income quintiles)b
2004 27.6 4.0
2005 33.3 5.5
2006 25.6 3.7
2007 25.2 3.6
2008 24.7 3.5
2009 24.1 3.4
2010 26.9 3.9
2011 27.2 4.0
2012 28.3 4.3
2013 28.6 4.3
2014 28.2 4.3
2015 28.2 4.3
2016 28.1 4.3
2017 28.7 4.4
2018 28.0 4.2
2019 28.3 4.3

Footnotes

a
Showing the extent of the income distribution.
b
Shows the proportion of the highest earning 20% of the population (quintile) compared to that of the income of the poorest 20%.
.