# The Social Security Revaluation of Earnings Factors Order 2018, Schedule: Percentage increase of earnings factor for specified tax years


Tax year
Percentage increase
1978-1979
820.9
1979-1980
712.8
1980-1981
579.1
1981-1982
468.7
1982-1983
416.6
1983-1984
379.6
1984-1985
344.1
1985-1986
316.6
1986-1987
282.6
1987-1988
256.2
1988-1989
227.7
1989-1990
195.7
1990-1991
175.6
1991-1992
150.3
1992-1993
135.1
1993-1994
123.9
1994-1995
117.1
1995-1996
108.0
1996-1997
102.3
1997-1998
92.7
1998-1999
84.2
1999-2000
76.8
2000-2001
66.3
2001-2002
59.9
2002-2003
53.3
2003-2004
48.0
2004-2005
42.6
2005-2006
37.0
2006-2007
32.5
2007-2008
27.2
2008-2009
22.1
2009-2010
18.4
2010-2011
17.0
2011-2012
14.4
2012-2013
12.4
2013-2014
10.4
2014-2015
9.4
2015-2016
7.8
2016-2017
5.7
2017-2018
3.0

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Source: https://www.legislation.gov.uk/uksi/2018/271/schedule (the official version)
Page: https://openlegislation.uk/social-security-revaluation-of-earnings-factors-order-2018/schedule
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.