平成9年,人口動態調査 上巻 出生 表4.17,出生順位別にみた年次別母の年齢別出生数 注:表4.12の出生順位の注を参照されたい。 ,1970,1975,1980,1985,1990,1995,1996,1997 ,昭和45年,50年,55年,60年,平成2年,7年,8年,9年 総数 15〜49歳,1933922,1901417,1576864,1431515,1221545,1187015,1206524,1191602 15〜19,20165,15990,14576,17854,17478,16075,15602,16598 20〜24,513172,479041,296854,247341,191859,193514,190520,182479 25〜29,951246,1014624,810204,682885,550994,492714,504575,496477 30〜34,358375,320060,388935,381466,356026,371773,377274,374819 35〜39,80581,62663,59127,93501,92377,100053,105630,107993 40〜44,9860,8727,6911,8224,12587,12472,12526,12829 45〜49,523,312,257,244,224,414,397,407 第1子 15〜49歳,878811,862339,667661,601946,531610,567482,574024,571552 15〜19,18595,14689,13539,16390,16066,14684,14276,15162 20〜24,400628,356732,225457,181779,140171,140748,137139,131417 25〜29,380658,417948,336833,307508,271152,271120,276288,274700 30〜34,61081,58135,77273,75676,82943,114813,118314,120780 35〜39,15416,12626,12840,18593,18262,23046,24807,26085 40〜44,2317,2138,1655,1952,2962,2982,3115,3308 45〜49,116,71,64,48,54,89,85,100 第2子 15〜49歳,753713,767667,642573,562920,459567,428393,444570,437117 15〜19,1501,1229,1000,1405,1363,1341,1267,1374 20〜24,102621,111393,64709,59277,46094,47051,47540,45262 25〜29,453904,485530,374413,297944,220801,177089,183591,177662 30〜34,164983,145740,179585,168612,155905,163779,169307,168337 35〜39,28042,21506,20950,33331,31549,35371,38997,40618 40〜44,2573,2219,1861,2308,3807,3673,3775,3775 45〜49,89,50,55,43,48,89,93,89 第3子以上 15〜49歳,301398,271411,266630,266649,230368,191140,187930,182933 15〜19,69,72,37,59,49,50,59,62 20〜24,9923,10916,6688,6285,5594,5715,5841,5800 25〜29,116684,111146,98958,77433,59041,44505,44696,44115 30〜34,132311,116185,132077,137178,117178,93181,89653,85702 35〜39,37123,28531,25337,41577,42566,41636,41826,41290 40〜44,4970,4370,3395,3964,5818,5817,5636,5746 45〜49,318,191,138,153,122,236,219,218