表4−17 出生順位別平均出生年齢:1955〜2003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 | |||
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