# The Social Security Revaluation of Earnings Factors Order 2012, Schedule: Percentage increase of earnings factor for specified tax years


Tax year
Percentage increase
1978-1979
719.5
1979-1980
623.3
1980-1981
504.3
1981-1982
406.1
1982-1983
359.6
1983-1984
326.8
1984-1985
295.2
1985-1986
270.7
1986-1987
240.4
1987-1988
217.0
1988-1989
191.6
1989-1990
163.2
1990-1991
145.3
1991-1992
122.8
1992-1993
109.2
1993-1994
99.2
1994-1995
93.2
1995-1996
85.1
1996-1997
80.0
1997-1998
71.5
1998-1999
63.9
1999-2000
57.3
2000-2001
48.0
2001-2002
42.3
2002-2003
36.4
2003-2004
31.7
2004-2005
26.9
2005-2006
21.9
2006-2007
17.9
2007-2008
13.2
2008-2009
8.7
2009-2010
5.4
2010-2011
4.1
2011-2012
1.8

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Source: https://www.legislation.gov.uk/uksi/2012/187/schedule (the official version)
Page: https://openlegislation.uk/social-security-revaluation-of-earnings-factors-order-2012/schedule
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.