出生順位別平均出生年齢:1955〜2004年 |
|
|
年次 |
|
総 数 |
第1子 |
第2子 |
第3子 |
第4子 |
第5子〜 |
1955 |
|
28.85 |
25.11 |
27.56 |
29.94 |
31.97 |
35.83 |
1960 |
|
27.87 |
25.61 |
27.99 |
30.13 |
32.24 |
35.85 |
1965 |
|
27.70 |
25.89 |
28.45 |
30.42 |
32.34 |
35.94 |
1970 |
|
27.75 |
25.82 |
28.46 |
30.76 |
32.55 |
35.50 |
1975 |
|
27.46 |
25.66 |
28.15 |
30.51 |
32.45 |
35.25 |
1976 |
|
27.47 |
25.74 |
28.14 |
30.43 |
32.34 |
35.27 |
1977 |
|
27.56 |
25.87 |
28.19 |
30.39 |
32.32 |
35.27 |
1978 |
|
27.63 |
25.95 |
28.26 |
30.38 |
32.35 |
35.17 |
1979 |
|
27.70 |
26.02 |
28.35 |
30.40 |
32.28 |
35.31 |
1980 |
|
27.75 |
26.07 |
28.43 |
30.50 |
32.33 |
35.19 |
1981 |
|
27.84 |
26.17 |
28.53 |
30.61 |
32.38 |
35.14 |
1982 |
|
27.93 |
26.25 |
28.60 |
30.72 |
32.48 |
35.16 |
1983 |
|
28.03 |
26.32 |
28.69 |
30.86 |
32.59 |
35.10 |
1984 |
|
28.15 |
26.40 |
28.76 |
30.95 |
32.72 |
35.06 |
1985 |
|
28.28 |
26.52 |
28.84 |
31.03 |
32.83 |
35.08 |
1986 |
|
28.40 |
26.66 |
28.94 |
31.13 |
32.95 |
35.05 |
1987 |
|
28.55 |
26.80 |
29.05 |
31.25 |
33.00 |
35.24 |
1988 |
|
28.70 |
26.92 |
29.19 |
31.37 |
33.22 |
35.27 |
1989 |
|
28.84 |
27.05 |
29.34 |
31.52 |
33.34 |
35.30 |
1990 |
|
28.95 |
27.16 |
29.47 |
31.64 |
33.45 |
35.35 |
1991 |
|
29.01 |
27.24 |
29.59 |
31.77 |
33.55 |
35.38 |
1992 |
|
29.11 |
27.38 |
29.69 |
31.89 |
33.70 |
35.46 |
1993 |
|
29.21 |
27.53 |
29.80 |
32.01 |
33.80 |
35.56 |
1994 |
|
29.31 |
27.66 |
29.92 |
32.11 |
33.89 |
35.67 |
1995 |
|
29.39 |
27.76 |
30.01 |
32.16 |
33.97 |
35.75 |
1996 |
|
29.51 |
27.88 |
30.15 |
32.24 |
34.02 |
35.74 |
1997 |
|
29.57 |
27.94 |
30.26 |
32.33 |
34.06 |
35.73 |
1998 |
|
29.62 |
27.98 |
30.39 |
32.40 |
34.13 |
35.92 |
1999 |
|
29.64 |
27.99 |
30.49 |
32.47 |
34.18 |
35.82 |
2000 |
|
29.65 |
28.00 |
30.52 |
32.54 |
34.29 |
35.79 |
2001 |
|
29.66 |
28.03 |
30.53 |
32.59 |
34.33 |
35.81 |
2002 |
|
29.69 |
28.12 |
30.57 |
32.63 |
34.35 |
35.94 |
2003 |
|
29.81 |
28.33 |
30.59 |
32.60 |
34.33 |
35.91 |
2004 |
|
29.90 |
28.49 |
30.67 |
32.58 |
34.24 |
35.92 |
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