Historical Cost Of Living Adjustments
| EFFECTIVE DATE | TIERS 1 & 2 | TIERS 3 & 4 | TIERS 5 & 6 | BANK – TIERS 5 & 6 | |
|---|---|---|---|---|---|
| July 1 | 2023 | 5.10% | 3.00% | 3.00% | 2.10% |
| July 1 | 2022 | 7.40% | 3.00% | 3.00% | 4.40% |
| July 1 | 2021 | 1.00% | 1.00% | 1.00% | 0.00% |
| July 1 | 2020 | 3.40% | 3.00% | 3.00% | 0.40% |
| July 1 | 2019 | 2.50% | 2.50% | 2.50% | 0.00% |
| July 1 | 2018 | 3.60% | 3.00% | 3.00% | 0.60% |
| July 1 | 2017 | 2.70% | 2.70% | 2.70% | 0.00% |
| July 1 | 2016 | 2.40% | 2.40% | 2.40% | 0.00% |
| July 1 | 2015 | 0.10% | 0.10% | 0.10% | 0.00% |
| July 1 | 2014 | 0.50% | 0.50% | 0.50% | 0.00% |
| July 1 | 2013 | 2.20% | 2.20% | 2.20% | 0.00% |
| July 1 | 2012 | 2.10% | 2.10% | 2.10% | 0.00% |
| July 1 | 2011 | 2.30% | 2.30% | 2.30% | 0.00% |
| July 1 | 2010 | 1.40% | 1.40% | 1.40% | 0.00% |
| July 1 | 2009 | 0.00% | 0.00% | 0.00% | 0.00% |
| July 1 | 2008 | 3.10% | 3.00% | 3.00% | 0.10% |
| July 1 | 2007 | 3.50% | 3.00% | 3.00% | 0.50% |
| July 1 | 2006 | 5.10% | 3.00% | 3.00% | 2.10% |
| July 1 | 2005 | 3.80% | 3.00% | 3.00% | 0.80% |
| July 1 | 2004 | 1.90% | 1.90% | 1.90% | 0.00% |
| July 1 | 2003 | 3.60% | 3.00% | 3.00% | 0.60% |
| July 1 | 2002 | 2.70% | 2.70% | 2.70% | 0.00% |
| July 1 | 2001 | 3.60% | 3.00% | N/A | N/A |
| July 1 | 2000 | 2.90% | 2.90% | N/A | N/A |
| July 1 | 1999 | 2.20% | 2.20% | N/A | N/A |
| July 1 | 1998 | 1.20% | 1.20% | N/A | N/A |
| July 1 | 1997 | 1.90% | 1.90% | N/A | N/A |
| July 1 | 1996 | 1.10% | 1.10% | N/A | N/A |
| July 1 | 1995 | 1.50% | 1.50% | N/A | N/A |
| July 1 | 1994 | 1.50% | 1.50% | N/A | N/A |
| July 1 | 1993 | 3.50% | 3.00% | N/A | N/A |
| July 1 | 1992 | 3.60% | 3.00% | N/A | N/A |
| July 1 | 1991 | 4.70% | 3.00% | N/A | N/A |
| January 1 | 1991 | N/A | 3.35% | N/A | N/A |
| July 1 | 1990 | 6.50% | 3.00% | N/A | N/A |
| July 1 | 1989 | 4.80% | 3.00% | N/A | N/A |
| July 1 | 1988 | 4.40% | 3.00% | N/A | N/A |
| January 1 | 1988 | N/A | 1.65% | N/A | N/A |
| July 1 | 1987 | 3.70% | 3.00% | N/A | N/A |
| July 1 | 1986 | 4.00% | 3.00% | N/A | N/A |
| July 1 | 1985 | 4.60% | 3.00% | N/A | N/A |
| July 1 | 1984 | 4.70% | 3.00% | N/A | N/A |
| July 1 | 1983 | 0.50% | 0.50% | N/A | N/A |
| July 1 | 1982 | 9.10% | 3.00% | N/A | N/A |
| July 1 | 1981 | 10.10% | N/A | N/A | N/A |
| July 1 | 1980 | 17.70% | N/A | N/A | N/A |
| July 1 | 1979 | 8.30% | N/A | N/A | N/A |
| July 1 | 1978 | 5.40% | N/A | N/A | N/A |
| July 1 | 1977 | 7.60% | N/A | N/A | N/A |
| July 1 | 1976 | 7.60% | N/A | N/A | N/A |
| July 1 | 1975 | 11.70% | N/A | N/A | N/A |
| July 1 | 1974 | 8.50% | N/A | N/A | N/A |
| July 1 | 1973 | 4.24% | N/A | N/A | N/A |
| July 1 | 1972 | 3.58% | N/A | N/A | N/A |
| July 1 | 1971 | 3.88% | N/A | N/A | N/A |
| July 1 | 1970 | 3.00% | N/A | N/A | N/A |
| July 1 | 1969 | 3.00% | N/A | N/A | N/A |
| July 1 | 1968 | 3.00% | N/A | N/A | N/A |
| July 1 | 1967 | 2.03% | N/A | N/A | N/A |