Active Component Enlisted Force
Age

 

Chapter 3

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Trained person-years are equal in importance to aggregate end-strength when evaluating personnel readiness. Greater proportions of trained person-years reduce training costs and enable the Services to cut recruiting objectives. To gain increased person-years with the same number of Servicemembers, DoD and Service planners increase the mean initial term of enlistment and restructure the mix of first-term and career force personnel.

The mean number of months in service per enlisted Servicemember is highlighted in Figure 3.2. Mean time in service rose from 75 months in FY 1987 to 90 months in FY 1994 and then dropped slightly to 87 months in FY 1999. Although the cumulative effect of various policies put in place since the early 1980s resulted in an increase in the mean age of the Services' enlisted force from 25 years old in FY 1980 to more than 27 years old in FY 1997, current retention problems have led to a slight decrease in mean age and time in service in FY 1999.


Figure 3.2. Active Component enlisted force average age and months in service, FYs 1973–1999.

Force structure, retention, and personnel policies govern the distribution of Servicemembers by occupation and grade. These factors have resulted in an overall DoD force profile wherein approximately half the force (51 percent) has less than 6 years of service, with slightly less than half (45 percent) having 6 to 19 years, and 4 percent having more than 20 years. [1] Pay grade and time in service are highly correlated. Paralleling the years in service data, pay grade distributions include slightly more than half of the enlisted force in pay grades E1 through E4 (54 percent) and slightly less than half in pay grades E5 through E9 (46 percent), as shown in Table 3.1. Progression from E1 and E2 (trainees) to E3 occurs quickly; consequently, relatively few enlisted members are in pay grades E1 and E2 (15 percent). Nearly three-quarters (74 percent) of the enlisted force are in pay grades E3 through E6. Service differences primarily are the result of retention trends as well as the force structure and personnel requirements needed to support Service-unique roles and missions. Thus, time in service and pay grade data should be interpreted cautiously.

Table 3.1.FY 1999 Pay Grade of Active Component Enlisted Members, by Service(Percent)

Pay Grade

Army

Navy

Marine Corps

Air Force

DoD

E1

7.0

7.7

8.8

4.5

6.8

E2

8.3

8.5

13.6

4.7

8.2

E3

13.9

14.2

27.0

17.1

16.5

E4

26.3

20.9

18.2

22.5

22.8

E5

17.6

21.4

14.7

24.3

20.0

E6

14.1

17.0

9.0

13.9

14.2

E7

9.3

7.3

5.8

9.9

8.5

E8

2.7

2.0

2.2

2.1

2.3

E9

0.8

1.0

0.8

1.0

0.9

Unknown

*

*

0.0

0.0

*

Total

100.0

100.0

100.0

100.0

100.0

Columns may not add to total due to rounding.
* Less than one-tenth of one percent.
Also see Appendix TableB-46 (Active Component by Pay Grade and Service).

  In FY 1999, 46 percent of the enlisted force was 17–24 years old, yet a little more than 1 percent was older than 44, as shown in Table 3.2.For those who make the military a career, the 20-year retirement option results in many leaving service while in their late 30s and early 40s.In the Army, Navy, and Marine Corps, a large proportion of the enlisted force was under age 25 (46, 43, and 68 percent, respectively).Marine Corps members were the “youngest” with more than two-thirds under age 25, and 3 percent 40 years or older.Air Force members were the "oldest" with 37 percent under age 25, and 8 percent older than 39.The Marine Corps traditionally has the youngest accessions.Historically, the Air Force has experienced higher enlisted retention rates than the other Services, contributing to somewhat “older” enlisted members.Although the Air Force did not meet their FY 1999 retention goals, Air Force retention, particularly in the first term, was higher than retention in the other Services.

Table 3.2.  FY 1999 Age of Active Component Enlisted Members, by Service, and Civilian Labor Force 17 and Older (Percent)

  Age

  Army

  Navy

Marine Corps

  Air Force

  DoD

Civilian Labor Force

17–19

11.3

11.0

18.2

7.7

11.3

4.9

20–24

34.2

32.4

49.3

29.0

34.5

10.0

25–29

22.6

19.9

15.4

19.4

20.1

11.1

30–34

15.0

15.0

7.5

16.3

14.3

12.0

35–39

11.4

14.7

6.7

19.5

13.7

13.6

40–44

4.2

5.3

2.4

6.9

4.9

13.8

45–49

1.1

1.4

0.6

1.2

1.1

11.8

50+

0.2

0.2

0.1

0.1

0.2

22.7

   Unknown

*

0.0

0.0

0.0

0.0

0.0

   Total

100.0

100.0

100.0

100.0

100.0

100.0

Columns may not add to total due to rounding.
* Less than one-tenth of one percent.
Also see Appendix Table B-23 (Active Component by Age Group, Service, and Gender).
Source:  Civilian data from Bureau of Labor Statistics Current Population Survey File, September 1999.

Although 46 percent of the enlisted force was in the 17–24 age group, approximately 15 percent of the civilian labor force fell in this range.At the other end of the distribution, just over one-fifth of the civilian labor force was 50 years old or older, compared with two-tenths of one percent of enlisted members.


[1] See Timenes, N., Jr., Force Reductions and Restructuring in the United States, presented to NATO Seminar on Defense Policy and Management, Brussels, Belgium, July 2, 1992.The derived force was based on the distribution by years of service from FY 1987 through FY 1989—a period of stable funding preceding the drawdown.


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