# The Social Security Revaluation of Earnings Factors Order 2013, Schedule: Percentage increase of earnings factor for specified tax years


Tax year
Percentage increase
1978-1979
734.2
1979-1980
636.3
1980-1981
515.1
1981-1982
415.2
1982-1983
367.9
1983-1984
334.5
1984-1985
302.3
1985-1986
277.4
1986-1987
246.5
1987-1988
222.7
1988-1989
196.8
1989-1990
167.9
1990-1991
149.7
1991-1992
126.8
1992-1993
112.9
1993-1994
102.8
1994-1995
96.7
1995-1996
88.4
1996-1997
83.3
1997-1998
74.5
1998-1999
66.9
1999-2000
60.1
2000-2001
50.7
2001-2002
44.9
2002-2003
38.9
2003-2004
34.1
2004-2005
29.2
2005-2006
24.1
2006-2007
20.0
2007-2008
15.3
2008-2009
10.6
2009-2010
7.3
2010-2011
6.0
2011-2012
3.6
2012-2013
1.8

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Source: https://www.legislation.gov.uk/uksi/2013/527/schedule (the official version)
Page: https://openlegislation.uk/social-security-revaluation-of-earnings-factors-order-2013/schedule
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.