平成23年,人口動態調査,, 上巻 離婚 第10.11表 ,親権を行わなければならない子の数別にみた年次別離婚件数及び百分率    注:1) 親権を行わなければならない子とは、20歳未満の未婚の子をいう。   2) その他とは、夫と妻がそれぞれ分け合って子どもの親権を行う場合である。 ※本表の数値は、2004・2006・2009〜2017年(平成16・18・21〜29年)の都道府県からの報告漏れ(2019年3月29日公表)による再集計後の数値である。 ,1人,,,2人,,,,3人〜,,, ,総数,夫が親権,妻が親権,総数,夫が2児,妻が2児,その他,総数,夫が全児,妻が全児,その他 実数, , , , , , , , , , , 1950,29579,16273,13306,10367,4249,3479,2639,8038,2854,2530,2654 1955,23240,12385,10855,12817,5234,4517,3066,9653,3511,3201,2941 1960,20993,10849,10144,11502,4993,4088,2421,7957,3103,2627,2227 1965,24372,11607,12765,14068,6067,5214,2787,6523,2654,2226,1643 1970,31374,13060,18314,19317,7562,8290,3465,5992,2183,2298,1511 1975,38412,13419,24993,27984,9213,14435,4336,8272,2530,3831,1911 1980,41829,11229,30600,40756,10366,26041,4349,13170,3021,7734,2415 1985,46573,10780,35793,49356,10756,34216,4384,17752,3558,11386,2808 1990,44509,10070,34439,40655,9289,27828,3538,13654,3030,8287,2337 1995,58268,11005,47263,47171,8832,34890,3449,16628,2980,11173,2475 2000,73405,11574,61831,60984,9532,47707,3745,22910,3339,16796,2775 2001,78849,12578,66271,67758,10966,52856,3936,25195,3906,18220,3069 2002,79534,12871,66663,68854,11144,53682,4028,25654,4055,18585,3014 2003,77973,11948,66025,67461,10421,53291,3749,24897,3671,18318,2908 2004,74662,11264,63398,63537,9619,50456,3462,23099,3435,17055,2609 2005,71921,10935,60986,60504,9107,48107,3290,21679,3112,16081,2486 2006,70323,10512,59811,58811,8763,46937,3111,20916,3044,15533,2339 2007,68022,10444,57578,56761,8670,45045,3046,19975,2935,14749,2291 2008,67452,9859,57593,56199,8018,45318,2863,20183,2718,15126,2339 2009,68531,9180,59351,56927,7542,46442,2943,20951,2659,16010,2282 2010,67908,9116,58792,57783,7297,47426,3060,21429,2604,16401,2424 2011,62988,8206,54782,53690,6922,43995,2773,20131,2322,15549,2260 百分率, , , , , , , , , , , 1950,100.0,55.0,45.0,100.0,41.0,33.6,25.5,100.0,35.5,31.5,33.0 1955,100.0,53.3,46.7,100.0,40.8,35.2,23.9,100.0,36.4,33.2,30.5 1960,100.0,51.7,48.3,100.0,43.4,35.5,21.0,100.0,39.0,33.0,28.0 1965,100.0,47.6,52.4,100.0,43.1,37.1,19.8,100.0,40.7,34.1,25.2 1970,100.0,41.6,58.4,100.0,39.1,42.9,17.9,100.0,36.4,38.4,25.2 1975,100.0,34.9,65.1,100.0,32.9,51.6,15.5,100.0,30.6,46.3,23.1 1980,100.0,26.8,73.2,100.0,25.4,63.9,10.7,100.0,22.9,58.7,18.3 1985,100.0,23.1,76.9,100.0,21.8,69.3,8.9,100.0,20.0,64.1,15.8 1990,100.0,22.6,77.4,100.0,22.8,68.4,8.7,100.0,22.2,60.7,17.1 1995,100.0,18.9,81.1,100.0,18.7,74.0,7.3,100.0,17.9,67.2,14.9 2000,100.0,15.8,84.2,100.0,15.6,78.2,6.1,100.0,14.6,73.3,12.1 2001,100.0,16.0,84.0,100.0,16.2,78.0,5.8,100.0,15.5,72.3,12.2 2002,100.0,16.2,83.8,100.0,16.2,78.0,5.9,100.0,15.8,72.4,11.7 2003,100.0,15.3,84.7,100.0,15.4,79.0,5.6,100.0,14.7,73.6,11.7 2004,100.0,15.1,84.9,100.0,15.1,79.4,5.4,100.0,14.9,73.8,11.3 2005,100.0,15.2,84.8,100.0,15.1,79.5,5.4,100.0,14.4,74.2,11.5 2006,100.0,14.9,85.1,100.0,14.9,79.8,5.3,100.0,14.6,74.3,11.2 2007,100.0,15.4,84.6,100.0,15.3,79.4,5.4,100.0,14.7,73.8,11.5 2008,100.0,14.6,85.4,100.0,14.3,80.6,5.1,100.0,13.5,74.9,11.6 2009,100.0,13.4,86.6,100.0,13.2,81.6,5.2,100.0,12.7,76.4,10.9 2010,100.0,13.4,86.6,100.0,12.6,82.1,5.3,100.0,12.2,76.5,11.3 2011,100.0,13.0,87.0,100.0,12.9,81.9,5.2,100.0,11.5,77.2,11.2