Table D-18.  Mean Age and Completed Months of Service of Active Component Commissioned Officers, FYs 1973-2018
FISCAL MEAN % 30 YEARS % 40 YEARS MEAN MONTHS % 3 YEARS % 4-10 YEARS % 11 YEARS
YEAR AGE OR YOUNGER OR OLDER   OF SERVICE OR LESS   OR MORE
1973 32.08 53.00 16.85 116.33 60.48 18.07 21.45
1974 32.37 50.27 17.57 117.21 60.94 18.96 20.10
1975 32.54 48.67 18.03 118.06 60.05 20.73 19.22
1976 32.74 47.07 18.50 120.44 58.60 23.54 17.86
1977 32.86 46.25 18.81 121.82 58.60 23.54 17.86
1978 32.96 44.13 19.17 122.11 58.21 24.27 17.52
1979 32.87 44.31 18.76 120.10 57.53 24.63 17.84
1980 32.80 44.62 18.24 118.36 57.61 24.92 17.47
1981 32.89 44.37 18.28 118.16 56.14 26.70 17.15
1982 32.95 44.29 17.91 118.12 54.15 28.38 17.47
1983 33.00 44.16 18.21 118.16 52.65 29.39 17.96
1984 32.94 44.45 17.95 117.88 51.67 29.89 18.43
1985 32.95 44.34 18.08 118.26 50.79 30.24 18.97
1986 33.05 43.88 18.62 119.57 50.55 30.15 19.30
1987 33.20 43.10 20.25 121.52 49.59 30.45 19.96
1988 33.35 42.32 21.13 123.33 48.24 30.60 21.15
1989 33.39 42.26 21.50 123.14 47.25 30.69 22.05
1990 33.62 41.30 22.25 124.25 44.73 31.36 23.91
1991 33.86 40.05 22.92 126.24 43.09 31.59 25.32
1992 34.00 39.16 23.35 126.85 42.65 30.87 26.49
1993 34.11 38.84 24.03 127.71 41.45 31.26 27.29
1994 33.93 38.88 23.61 127.43 40.78 31.29 27.93
1995 34.03 47.27 18.57 127.80 41.29 30.53 28.18
1996 34.11 42.02 22.29 128.98 41.75 29.28 28.96
1997 34.15 46.66 19.05 129.75 42.59 27.93 29.47
1998 34.23 41.47 23.14 130.31 44.07 26.60 29.33
1999 34.31 41.47 23.14 130.96 45.83 25.49 28.68
2000 34.30 41.75 23.18 132.07 46.98 24.86 28.16
2001 34.29 42.09 22.79 130.74 47.49 25.50 27.01
2002 34.33 41.67 23.22 131.32 47.36 26.51 26.13
2003 34.30 41.65 22.96 130.49 46.97 27.98 25.05
2004 34.35 41.30 23.16 131.97 46.92 28.74 24.34
2005 34.38 41.01 23.41 131.14 46.08 29.94 23.98
2006 34.43 44.31 20.25 131.60 46.21 30.56 23.23
2007 34.41 40.76 23.50 131.60 46.12 31.12 22.75
2008 34.45 41.02 23.71 131.59 45.85 31.78 22.37
2009 34.49 41.14 23.88 131.39 46.02 31.58 22.40
2010 34.54 41.27 24.43 131.12 45.28 32.18 22.54
2011 34.51 41.66 24.76 130.27 44.91 32.43 22.66
2012 34.49 37.38 28.87 130.46 44.98 32.07 22.96
2013 34.51 38.04 28.76 131.12 46.21 30.77 23.02
2014 34.48 38.12 28.42 130.98 23.45 31.55 45.00
2015 34.38 38.58 27.89 129.68 19.27 29.43 51.16
2016 34.34 38.75 27.39 129.29 21.28 31.99 46.73
2017 34.21 38.75 27.39 127.97 21.58 32.47 45.95
2018 34.12 39.85 26.11 126.60 22.29 32.54 45.17
     
Source: Military data are provided by the Defense Manpower Data Center (DMDC).