| Union Membership, Coverage, Density, and Employment: | |||||||
| Public Administration | |||||||
| Year | Sample Size | Wage | At Cap | Union Wage | Nonunion Wage | Unadjusted Union Wage Prem. | Adjusted Union Wage Prem. |
| 1973 | 1,875 | $5.02 | 0.0% | $4.97 | $5.03 | -1.3% | 3.8% |
| 1974 | 1,885 | $5.37 | 0.1% | $5.42 | $5.36 | 1.1% | 3.2% |
| 1975 | 2,029 | $5.71 | 0.1% | $5.71 | $5.71 | 0.0% | 2.2% |
| 1976 | 1,929 | $5.95 | 0.1% | $6.18 | $5.88 | 5.1% | 6.8% |
| 1977 | 2,590 | $6.21 | 0.0% | $6.58 | $6.08 | 8.3% | 5.2% |
| 1978 | 2,338 | $6.74 | 0.1% | $7.11 | $6.60 | 7.8% | 5.3% |
| 1979 | 2,497 | $7.50 | 0.3% | $7.77 | $7.38 | 5.3% | 6.9% |
| 1980 | 3,444 | $7.98 | 0.6% | $8.25 | $7.87 | 4.9% | 7.7% |
| 1981 | 699 | $8.39 | 0.4% | $8.88 | $8.21 | 8.2% | 8.3% |
| 1983 | 8,475 | $9.87 | 2.3% | $10.02 | $9.81 | 2.1% | 5.2% |
| 1984 | 8,287 | $10.51 | 3.1% | $10.80 | $10.40 | 3.9% | 5.6% |
| 1985 | 8,454 | $10.93 | 3.3% | $11.07 | $10.87 | 1.9% | 5.3% |
| 1986 | 8,819 | $11.40 | 3.7% | $11.62 | $11.30 | 2.8% | 5.2% |
| 1987 | 8,493 | $11.78 | 3.8% | $12.36 | $11.53 | 7.2% | 6.1% |
| 1988 | 8,282 | $12.46 | 5.3% | $13.23 | $12.11 | 9.2% | 8.3% |
| 1989 | 8,274 | $12.84 | 0.2% | $13.44 | $12.57 | 6.9% | 6.8% |
| 1990 | 8,675 | $13.41 | 0.3% | $14.36 | $12.99 | 10.6% | 9.2% |
| 1991 | 8,378 | $14.15 | 0.5% | $14.74 | $13.89 | 6.2% | 6.3% |
| 1992 | 8,188 | $14.61 | 0.5% | $15.21 | $14.34 | 6.1% | 6.4% |
| 1993 | 8,073 | $15.35 | 0.7% | $15.86 | $15.10 | 5.0% | 7.9% |
| 1994 | 9,363 | $15.43 | 0.7% | $16.22 | $15.03 | 7.9% | 9.9% |
| 1995 | 9,446 | $15.76 | 0.8% | $16.71 | $15.32 | 9.1% | 7.5% |
| 1996 | 6,468 | $16.65 | 0.9% | $17.56 | $16.21 | 8.4% | 8.2% |
| 1997 | 6,455 | $17.12 | 1.0% | $18.21 | $16.59 | 9.8% | 11.7% |
| 1998 | 6,322 | $17.72 | 0.3% | $18.73 | $17.21 | 8.9% | 9.5% |
| 1999 | 6,195 | $18.52 | 0.2% | $19.45 | $18.08 | 7.6% | 10.5% |
| 2000 | 6,029 | $19.02 | 0.2% | $20.07 | $18.52 | 8.4% | 9.1% |
| 2001 | 6,234 | $20.10 | 0.1% | $21.16 | $19.59 | 8.0% | 9.5% |
| 2002 | 6,988 | $20.66 | 0.1% | $21.71 | $20.16 | 7.7% | 7.0% |
| 2003 | 6,715 | $21.54 | 0.4% | $22.78 | $20.91 | 8.9% | 7.4% |
| 2004 | 6,739 | $22.54 | 0.6% | $24.01 | $21.80 | 10.2% | 5.6% |
| 2005 | 6,965 | $22.84 | 0.5% | $24.17 | $22.19 | 8.9% | 8.1% |
| 2006 | 6,882 | $23.79 | 1.0% | $24.87 | $23.27 | 6.9% | 8.3% |
| 2007 | 7,005 | $24.78 | 1.2% | $25.83 | $24.28 | 6.4% | 6.6% |
| 2008 | 7,016 | $25.86 | 1.4% | $26.52 | $25.52 | 3.9% | 6.0% |
| 2009 | 7,036 | $26.09 | 1.5% | $26.90 | $25.66 | 4.8% | 7.4% |
| 2010 | 6,808 | $26.88 | 2.2% | $27.85 | $26.40 | 5.5% | 7.2% |
| 2011 | 6,483 | $27.73 | 2.2% | $28.83 | $27.16 | 6.1% | 8.4% |
| 2012 | 6,274 | $28.16 | 2.4% | $29.25 | $27.62 | 5.9% | 6.0% |
| 2013 | 6,134 | $28.70 | 2.5% | $29.92 | $28.07 | 6.6% | 7.7% |
| 2014 | 6,102 | $29.02 | 2.4% | $30.21 | $28.41 | 6.3% | 8.5% |
| 2015 | 5,885 | $30.99 | 3.8% | $31.80 | $30.59 | 4.0% | 5.9% |
| 2016 | 5,948 | $31.18 | 3.5% | $32.37 | $30.61 | 5.7% | 10.6% |
| 2017 | 5,959 | $32.23 | 3.8% | $32.99 | $31.86 | 3.5% | 7.5% |
| 2018 | 5,860 | $32.89 | 4.5% | $33.03 | $32.83 | 0.6% | 5.6% |
| 2019 | 5,536 | $33.93 | 5.0% | $35.48 | $33.19 | 6.9% | 8.0% |
| 2020 | 5,608 | $36.23 | 5.9% | $36.99 | $35.86 | 3.2% | 10.1% |
| 2021 | 5,315 | $37.32 | 6.2% | $37.90 | $37.06 | 2.3% | 6.1% |
| 2022 | 5,215 | $39.80 | 7.5% | $40.79 | $39.39 | 3.6% | 6.0% |
| 2023 | 5,242 | $41.07 | 5.8% | $40.96 | $41.11 | -0.4% | 4.4% |
| Copyright 2024 by Barry T. Hirsch, David A. Macpherson, and William E. Even. The use of this data requires citation. | |||||||