# The Social Security Revaluation of Earnings Factors Order 2015, Schedule: Percentage increase of earnings factor for specified tax years


Tax year
Percentage increase
1978-1979
754.4
1979-1980
654.1
1980-1981
530.0
1981-1982
427.6
1982-1983
379.2
1983-1984
345.0
1984-1985
312.0
1985-1986
286.5
1986-1987
254.9
1987-1988
230.4
1988-1989
204.0
1989-1990
174.4
1990-1991
155.7
1991-1992
132.2
1992-1993
118.1
1993-1994
107.7
1994-1995
101.4
1995-1996
93.0
1996-1997
87.7
1997-1998
78.8
1998-1999
70.9
1999-2000
64.0
2000-2001
54.3
2001-2002
48.4
2002-2003
42.2
2003-2004
37.3
2004-2005
32.3
2005-2006
27.1
2006-2007
22.9
2007-2008
18.0
2008-2009
13.3
2009-2010
9.9
2010-2011
8.6
2011-2012
6.1
2012-2013
4.3
2013-2014
2.4
2014-2015
1.5

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Source: https://www.legislation.gov.uk/uksi/2015/187/schedule (the official version)
Page: https://openlegislation.uk/social-security-revaluation-of-earnings-factors-order-2015/schedule
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.