# The Social Security Revaluation of Earnings Factors Order 2011, Schedule: Percentage increase of earnings factor for specified tax years


Tax year
Percentage increase
1978 – 1979
705.0
1979 – 1980
610.5
1980 – 1981
493.6
1981 – 1982
397.1
1982 – 1983
351.5
1983 – 1984
319.2
1984 – 1985
288.2
1985 – 1986
264.2
1986 – 1987
234.4
1987 – 1988
211.3
1988 – 1989
186.4
1989 – 1990
158.5
1990 – 1991
140.9
1991 – 1992
118.8
1992 – 1993
105.5
1993 – 1994
95.7
1994 – 1995
89.8
1995 – 1996
81.8
1996 – 1997
76.8
1997 – 1998
68.4
1998 – 1999
61.0
1999 – 2000
54.5
2000 – 2001
45.4
2001 – 2002
39.8
2002 – 2003
34.0
2003 – 2004
29.4
2004 – 2005
24.6
2005 – 2006
19.7
2006 – 2007
15.8
2007 – 2008
11.2
2008 – 2009
6.7
2009 – 2010
3.5
2010 – 2011
2.3

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Source: https://www.legislation.gov.uk/uksi/2011/475/schedule (the official version)
Page: https://openlegislation.uk/social-security-revaluation-of-earnings-factors-order-2011/schedule
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.