平成15年度,第3回 21世紀出生児縦断調査,, 第 19表,子ども数・構成割合,弟妹の有無、保育者の組合せ、兄姉の構成別 ,,総数,兄姉あり, ,,,,, ,,,,兄姉なし,総数,兄姉あり, ,,,,, ,,,,兄姉なし ,,,,上に2人以上, , , , ,兄又は姉1人, , , ,,,,上に2人以上, , , , ,兄又は姉1人, , , , ,,,,,兄のみ,姉のみ,兄・姉あり,性別不詳あり,,兄1人,姉1人,性別不詳,,,,,兄のみ,姉のみ,兄・姉あり,性別不詳あり,,兄1人,姉1人,性別不詳, ,,,,,,,,,,,,,,,,,,,,,,,,, 総数,総数,42811,21903,6062,1655,1410,2950,47,15841,8122,7636,83,20908,100.0,100.0,100.0,100.0,100.0,100.0,100.0,100.0,100.0,100.0,100.0,100.0 ,保育士等なし,30565,15324,4046,1122,946,1948,30,11278,5828,5392,58,15241,71.4,70.0,66.7,67.8,67.1,66.0,63.8,71.2,71.8,70.6,69.9,72.9 , 母のみ,12806,6936,1895,521,473,889,12,5041,2584,2427,30,5870,29.9,31.7,31.3,31.5,33.5,30.1,25.5,31.8,31.8,31.8,36.1,28.1 , 父母のみ,10126,4712,1108,317,250,535,6,3604,1900,1686,18,5414,23.7,21.5,18.3,19.2,17.7,18.1,12.8,22.8,23.4,22.1,21.7,25.9 , 祖父母を含む,7546,3631,1033,281,221,519,12,2598,1325,1263,10,3915,17.6,16.6,17.0,17.0,15.7,17.6,25.5,16.4,16.3,16.5,12.0,18.7 , その他,87,45,10,3,2,5,-,35,19,16,-,42,0.2,0.2,0.2,0.2,0.1,0.2,-,0.2,0.2,0.2,-,0.2 ,保育士等あり,12219,6562,2012,533,464,998,17,4550,2286,2239,25,5657,28.5,30.0,33.2,32.2,32.9,33.8,36.2,28.7,28.1,29.3,30.1,27.1 , 保育士等のみ,1875,1067,358,99,78,176,5,709,369,336,4,808,4.4,4.9,5.9,6.0,5.5,6.0,10.6,4.5,4.5,4.4,4.8,3.9 , 保育士と母のみ,2938,1747,574,146,129,293,6,1173,588,577,8,1191,6.9,8.0,9.5,8.8,9.1,9.9,12.8,7.4,7.2,7.6,9.6,5.7 , 保育士と父母のみ,3486,1767,468,122,112,232,2,1299,671,624,4,1719,8.1,8.1,7.7,7.4,7.9,7.9,4.3,8.2,8.3,8.2,4.8,8.2 , 保育士とその他,3920,1981,612,166,145,297,4,1369,658,702,9,1939,9.2,9.0,10.1,10.0,10.3,10.1,8.5,8.6,8.1,9.2,10.8,9.3 ,不詳,27,17,4,-,-,4,-,13,8,5,-,10,0.1,0.1,0.1,-,-,0.1,-,0.1,0.1,0.1,-,0.0 弟妹なし,総数,34563,20015,5755,1578,1343,2787,47,14260,7294,6890,76,14548,100.0,100.0,100.0,100.0,100.0,100.0,100.0,100.0,100.0,100.0,100.0,100.0 ,保育士等なし,24048,14000,3851,1072,905,1844,30,10149,5229,4867,53,10048,69.6,69.9,66.9,67.9,67.4,66.2,63.8,71.2,71.7,70.6,69.7,69.1 , 母のみ,10307,6366,1808,496,455,845,12,4558,2346,2184,28,3941,29.8,31.8,31.4,31.4,33.9,30.3,25.5,32.0,32.2,31.7,36.8,27.1 , 父母のみ,7880,4297,1046,302,237,501,6,3251,1710,1526,15,3583,22.8,21.5,18.2,19.1,17.6,18.0,12.8,22.8,23.4,22.1,19.7,24.6 , 祖父母を含む,5778,3294,988,271,211,494,12,2306,1155,1141,10,2484,16.7,16.5,17.2,17.2,15.7,17.7,25.5,16.2,15.8,16.6,13.2,17.1 , その他,83,43,9,3,2,4,-,34,18,16,-,40,0.2,0.2,0.2,0.2,0.1,0.1,-,0.2,0.2,0.2,-,0.3 ,保育士等あり,10488,5998,1900,506,438,939,17,4098,2057,2018,23,4490,30.3,30.0,33.0,32.1,32.6,33.7,36.2,28.7,28.2,29.3,30.3,30.9 , 保育士等のみ,1625,978,338,97,74,162,5,640,331,305,4,647,4.7,4.9,5.9,6.1,5.5,5.8,10.6,4.5,4.5,4.4,5.3,4.4 , 保育士と母のみ,2493,1577,534,134,118,276,6,1043,522,514,7,916,7.2,7.9,9.3,8.5,8.8,9.9,12.8,7.3,7.2,7.5,9.2,6.3 , 保育士と父母のみ,2993,1608,440,116,107,215,2,1168,609,555,4,1385,8.7,8.0,7.6,7.4,8.0,7.7,4.3,8.2,8.3,8.1,5.3,9.5 , 保育士とその他,3377,1835,588,159,139,286,4,1247,595,644,8,1542,9.8,9.2,10.2,10.1,10.3,10.3,8.5,8.7,8.2,9.3,10.5,10.6 ,不詳,27,17,4,-,-,4,-,13,8,5,-,10,0.1,0.1,0.1,-,-,0.1,-,0.1,0.1,0.1,-,0.1 弟妹あり,総数,8248,1888,307,77,67,163,-,1581,828,746,7,6360,100.0,100.0,100.0,100.0,100.0,100.0,-,100.0,100.0,100.0,100.0,100.0 ,保育士等なし,6517,1324,195,50,41,104,-,1129,599,525,5,5193,79.0,70.1,63.5,64.9,61.2,63.8,-,71.4,72.3,70.4,71.4,81.7 , 母のみ,2499,570,87,25,18,44,-,483,238,243,2,1929,30.3,30.2,28.3,32.5,26.9,27.0,-,30.6,28.7,32.6,28.6,30.3 , 父母のみ,2246,415,62,15,13,34,-,353,190,160,3,1831,27.2,22.0,20.2,19.5,19.4,20.9,-,22.3,22.9,21.4,42.9,28.8 , 祖父母を含む,1768,337,45,10,10,25,-,292,170,122,-,1431,21.4,17.8,14.7,13.0,14.9,15.3,-,18.5,20.5,16.4,-,22.5 , その他,4,2,1,-,-,1,-,1,1,-,-,2,0.0,0.1,0.3,-,-,0.6,-,0.1,0.1,-,-,0.0 ,保育士等あり,1731,564,112,27,26,59,-,452,229,221,2,1167,21.0,29.9,36.5,35.1,38.8,36.2,-,28.6,27.7,29.6,28.6,18.3 , 保育士等のみ,250,89,20,2,4,14,-,69,38,31,-,161,3.0,4.7,6.5,2.6,6.0,8.6,-,4.4,4.6,4.2,-,2.5 , 保育士と母のみ,445,170,40,12,11,17,-,130,66,63,1,275,5.4,9.0,13.0,15.6,16.4,10.4,-,8.2,8.0,8.4,14.3,4.3 , 保育士と父母のみ,493,159,28,6,5,17,-,131,62,69,-,334,6.0,8.4,9.1,7.8,7.5,10.4,-,8.3,7.5,9.2,-,5.3 , 保育士とその他,543,146,24,7,6,11,-,122,63,58,1,397,6.6,7.7,7.8,9.1,9.0,6.7,-,7.7,7.6,7.8,14.3,6.2 ,不詳,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-