平成23年,人口動態調査,, 上巻 婚姻 第9.16表 ,結婚生活に入ったときから婚姻届出までの期間別にみた年次別婚姻件数百分率 ,〜1月,1〜2,2〜3,3〜4,4〜5,5〜6,6〜7,7〜8,8〜9,9〜10,10〜11,11〜12,1〜2年,2〜3年,3〜5年,5年〜 1950,17.9,11.7,7.1,5.3,4.5,4.1,3.8,3.7,4.1,4.7,4.6,4.1,16.0,3.1,2.3,3.1 1955,26.2,15.6,7.8,5.3,4.4,3.9,3.5,3.2,3.2,3.2,3.0,2.7,11.2,2.2,1.6,2.9 1960,30.6,17.5,8.7,5.9,4.6,3.8,3.2,2.8,2.6,2.6,2.3,2.0,8.1,1.7,1.2,2.4 1965,38.3,21.3,9.6,5.6,4.1,3.1,2.4,2.0,1.7,1.5,1.3,1.1,4.3,0.9,0.8,1.8 1970,50.2,21.5,7.3,4.0,2.8,2.1,1.7,1.3,1.0,0.9,0.7,0.7,2.9,0.8,0.8,1.2 1975,59.7,20.1,5.6,2.9,1.9,1.4,1.1,0.9,0.7,0.6,0.5,0.4,1.9,0.6,0.7,1.0 1976,62.1,18.9,5.0,2.6,1.7,1.3,1.0,0.8,0.6,0.5,0.5,0.5,2.1,0.6,0.6,1.0 1977,63.6,18.6,4.7,2.4,1.6,1.2,0.9,0.7,0.6,0.5,0.4,0.4,1.9,0.7,0.5,1.1 1978,64.1,18.8,4.5,2.3,1.6,1.2,0.9,0.7,0.6,0.5,0.4,0.4,1.8,0.6,0.5,1.3 1979,66.3,17.2,4.2,2.2,1.5,1.1,0.9,0.7,0.6,0.5,0.4,0.4,1.8,0.6,0.7,1.0 1980,65.9,17.7,4.1,2.2,1.5,1.1,0.9,0.7,0.6,0.5,0.4,0.4,1.8,0.6,0.5,1.2 1981,67.1,17.2,3.8,2.0,1.4,1.0,0.8,0.7,0.5,0.5,0.4,0.4,1.9,0.6,0.5,1.1 1982,69.1,16.1,3.6,1.9,1.3,1.0,0.8,0.6,0.5,0.4,0.4,0.4,1.8,0.6,0.5,1.1 1983,69.6,15.8,3.5,1.8,1.3,1.0,0.8,0.6,0.5,0.4,0.4,0.3,1.8,0.6,0.5,1.1 1984,69.1,16.3,3.4,1.8,1.2,1.0,0.8,0.6,0.5,0.4,0.4,0.4,1.9,0.6,0.6,1.1 1985,71.6,14.2,3.1,1.7,1.2,0.9,0.7,0.6,0.5,0.4,0.4,0.4,1.9,0.7,0.6,1.1 1986,70.6,15.3,3.1,1.6,1.1,0.9,0.7,0.6,0.5,0.4,0.4,0.4,2.0,0.7,0.6,1.2 1987,69.9,15.6,3.3,1.7,1.2,0.9,0.8,0.6,0.5,0.4,0.3,0.4,1.9,0.8,0.6,1.1 1988,72.2,13.6,3.1,1.7,1.2,0.9,0.7,0.6,0.5,0.4,0.3,0.4,1.8,0.7,0.7,1.2 1989,71.5,14.0,3.2,1.7,1.2,0.9,0.8,0.6,0.5,0.4,0.4,0.4,1.9,0.7,0.7,1.2 1990,71.4,13.9,3.3,1.7,1.2,0.9,0.8,0.6,0.5,0.4,0.4,0.4,2.1,0.7,0.6,1.2 1991,72.3,12.7,3.3,1.8,1.2,1.0,0.8,0.6,0.5,0.4,0.4,0.4,2.0,0.8,0.6,1.2 1992,72.2,13.3,3.3,1.8,1.2,1.0,0.8,0.6,0.5,0.4,0.3,0.4,2.0,0.8,0.6,0.9 1993,71.8,13.5,3.3,1.8,1.2,1.0,0.8,0.6,0.5,0.4,0.4,0.4,2.0,0.8,0.7,0.9 1994,73.9,11.7,3.1,1.7,1.2,1.0,0.8,0.6,0.5,0.4,0.4,0.4,2.0,0.8,0.7,0.9 1995,74.4,11.1,3.0,1.7,1.2,1.0,0.8,0.6,0.5,0.4,0.4,0.4,2.1,0.8,0.7,1.0 1996,74.3,11.0,3.1,1.7,1.2,1.0,0.8,0.6,0.5,0.4,0.4,0.4,2.1,0.8,0.7,1.0 1997,75.1,9.9,2.9,1.7,1.2,1.0,0.8,0.7,0.6,0.5,0.4,0.4,2.2,0.8,0.7,1.0 1998,75.8,9.5,2.9,1.7,1.2,1.0,0.8,0.6,0.5,0.4,0.4,0.4,2.2,0.9,0.7,1.0 1999,75.7,9.2,2.9,1.7,1.2,1.0,0.8,0.7,0.5,0.5,0.4,0.4,2.4,0.9,0.7,1.0 2000,75.7,8.5,3.0,1.8,1.3,1.0,0.9,0.7,0.6,0.5,0.4,0.4,2.4,0.9,0.8,1.0 2001,75.6,8.4,3.0,1.8,1.3,1.1,0.9,0.7,0.6,0.5,0.4,0.5,2.5,0.9,0.8,1.0 2002,74.9,8.1,3.0,1.9,1.4,1.1,1.0,0.8,0.7,0.6,0.5,0.5,2.8,1.0,0.8,1.0 2003,74.6,7.7,2.9,1.9,1.4,1.2,1.0,0.8,0.7,0.6,0.5,0.5,3.1,1.2,0.9,1.1 2004,73.4,7.7,3.1,1.9,1.4,1.2,1.0,0.9,0.7,0.6,0.5,0.6,3.4,1.3,1.0,1.1 2005,72.6,7.6,3.1,2.0,1.5,1.3,1.1,0.9,0.8,0.6,0.6,0.6,3.6,1.4,1.1,1.2 2006,72.2,7.3,3.1,2.1,1.5,1.3,1.1,0.9,0.8,0.7,0.6,0.6,3.7,1.5,1.2,1.3 2007,70.6,7.5,3.3,2.2,1.6,1.4,1.2,1.0,0.8,0.7,0.6,0.7,4.0,1.7,1.3,1.3 2008  ,70.2,7.3,3.3,2.2,1.7,1.4,1.2,1.1,0.9,0.8,0.7,0.7,4.2,1.7,1.3,1.4 2009  ,69.8,7.1,3.3,2.2,1.7,1.5,1.2,1.1,0.9,0.8,0.7,0.7,4.5,1.7,1.3,1.4 2010  ,69.5,6.9,3.3,2.2,1.7,1.5,1.3,1.1,0.9,0.8,0.7,0.7,4.6,1.9,1.5,1.5 2011  ,69.0,6.9,3.3,2.3,1.8,1.5,1.3,1.1,0.9,0.8,0.7,0.8,4.6,1.9,1.5,1.5