COPAS AND OVERHEAD
COPAS, the Council of Petroleum Accountants Societies, Inc., computes the Percentage Wage Index Adjustment that is effective on April 1st of each year. This factor is commonly referenced by joint operating agreements and used to adjust the overhead rate. 1962 was the base index year, and the first adjustment was issued for 1963. The adjustments are as follows and can be referenced at the site listed below.
SPEE makes no representations as to the accuracy or completeness of this summary information.
CUMULATIVE COPAS ESCALATION PERCENTAGES
YEAR
ADJ.
1963
1.6%
1964
3.9%
1965
0.8%
1966
2.2%
1967
3.6%
1968
5.4%
1969
1.9%
1970
7.0%
1971
5.9%
1972
8.9%
1973
7.5%
1974
5.2%
1975
16.7%
1976
10.3%
1977
10.5%
1978
10.3%
1979
11.0%
1980
9.3%
1981
9.3%
1982
13.0%
1983
9.9%
1984
5.9%
1985
2.7%
1986
4.4%
1987
4.5%
1988
–1.4%
1989
3.3%
1990
8.1%
1991
7.2%
1992
1.5%
1993
–1.1%
1994
4.8%
1995
4.4%
1996
4.1%
1997
2.0%
1998
10.3%
1999
5.8%
2000
–0.5%
2001
6.0%
2002
–1.9%
2003
–3.1%
2004
2.3%
2005
3.5%
2006
5.1%
2007
6.4%
2008
7.7%
2009
7.5%
2010
1.9%
2011
–0.7%
2012
6.1%
2013
7.4%
2014
2.5%
2015
4.3%
2016
–3.2%
2017
5.5%
2018
1.5%
2019
4.7%
2020
5.2%
2021
0.9%
2022
0.4%
2023
8.5%
2024
4.6%
2025
6.3%
2026
–0.3%
For more information or other COPAS information, please view the COPAS home page.
For up-to-date COPAS rates see: https://www.copas.org/resources/economic-factors/ and then select COPAS Overhead Adjustment Factors.