Table 15D
2011 Pregnancy Nutrition Surveillance (1)
Nation
Summary of Trends in Age Distribution


Summary of Trends in Age Distribution (2)
Year

Number Included
in Analysis

< 15 Years
%

15 - 17 Years
%

18 - 19 Years
%

20 - 29 Years
%

30 - 39 Years
%

>= 40 Years
%

Unknown
%

2011 1,005,177

0.2

4.7

10.8

59.7

22.7

1.8

0.1

2010 1,162,961

0.3

5.3

11.5

59.4

21.7

1.7

0.2

2009 1,304,320

0.3

5.8

12.3

59.4

20.4

1.5

0.3

2008 1,308,356

0.3

6.3

12.6

59.7

19.4

1.4

0.3

2007 1,252,832

0.4

6.5

12.7

59.9

19.0

1.4

0.1

2006 1,153,602

0.4

6.5

12.6

60.0

19.0

1.4

0.1

2005 872,229

0.4

6.5

13.0

60.4

18.2

1.3

0.1

2004 868,856

0.4

6.7

13.2

60.3

18.0

1.3

0.2

2003 770,265

0.4

6.9

13.4

60.2

17.9

1.3

0.0

2002 726,554

0.5

7.3

14.1

59.6

17.3

1.2

0.0

2001 738,817

0.5

7.7

14.5

59.2

16.9

1.1

0.1

2000 750,920

0.6

8.4

15.2

58.6

16.2

1.1

0.0

1999 694,337

0.6

8.8

15.5

58.2

15.8

1.0

0.0

1998 632,230

0.6

9.3

15.2

57.9

16.0

1.0

0.0

1997 570,296

0.7

9.9

15.0

57.2

16.3

1.0

0.0

1996 503,465

0.8

10.4

15.2

57.0

15.7

0.9

0.0

1995 564,943

0.9

10.3

14.4

56.2

17.3

1.0

0.0

1994 375,621

0.8

9.5

14.1

56.7

17.2

0.9

0.9

1993 339,082

0.8

9.4

13.7

57.4

17.8

0.9

0.0

1992 404,941

0.8

9.4

14.0

56.7

16.3

0.8

2.1

1991 323,631

0.8

10.0

14.7

57.6

16.0

0.8

0.0

1990 351,093

0.9

10.2

15.0

57.2

15.8

0.8

0.0

1989 276,805

0.9

10.6

14.9

56.8

15.0

0.7

1.1

1988 121,814

1.2

12.4

15.4

56.1

12.5

0.5

1.9

1987 103,281

1.2

12.7

15.9

57.8

11.8

0.5

0.0

1986 74,667

1.3

13.6

15.9

57.2

11.6

0.5

0.1

1985 70,026

1.2

12.6

16.2

58.2

11.2

0.5

0.1

1984 85,244

1.1

12.8

17.0

57.4

10.9

0.6

0.1

1983 32,804

1.2

13.3

17.4

56.7

10.5

0.5

0.4

(1) Reporting period is January 1 through December 31.
(2) Excludes records with unknown data or errors.
* Percentages are not calculated if <100 records are available for analysis after exclusions.