# The Social Security Revaluation of Earnings Factors Order 1991, Schedule


Tax Year
Increase
1978-79
267.1
1979-80
223.8
1980-81
170.6
1981-82
126.9
1982-83
105.9
1983-84
90.9
1984-85
76.7
1985-86
65.8
1986-87
52.3
1987-88
41.9
1988-89
30.4
1989-90
18.2
1990-91
10.1

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Source: https://www.legislation.gov.uk/uksi/1991/1108/schedule (the official version)
Page: https://openlegislation.uk/social-security-revaluation-of-earnings-factors-order-1991/schedule
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.