Changes in the Percentage of Unmarried Women in Japan by Age, 1920-2010
The following data show the chnages in the percentage of unmarried women in Japan by age between 1920 and 2010.
| 1920 | 1925 | 1930 | 1935 | 1940 | 1950 | |
| age | women (%) | women (%) | women (%) | women (%) | women (%) | women (%) |
| 15-19 | 82.3 | 85.9 | 89.3 | 92.5 | 95.6 | 96.5 |
| 20-24 | 31.4 | 29.6 | 37.7 | 44.9 | 53.5 | 55.2 |
| 25-29 | 9.2 | 7.8 | 8.5 | 11.1 | 13.5 | 15.2 |
| 30-34 | 4.1 | 3.5 | 3.7 | 4.0 | 5.3 | 5.7 |
| 35-39 | 2.7 | 2.3 | 2.4 | 2.4 | 2.9 | 3.0 |
| 40-44 | 2.1 | 1.9 | 1.8 | 1.8 | 2.0 | 2.0 |
| 45-49 | 1.9 | 1.8 | 1.6 | 1.5 | 1.6 | 1.5 |
| 50-54 | 1.7 | 1.4 | 1.4 | 1.4 | 1.3 | 1.2 |
| 55-59 | 1.5 | 1.1 | 1.3 | 1.4 | 1.2 | 1.2 |
| 60-64 | 1.4 | 0.9 | 1.1 | 1.3 | 1.3 | 1.2 |
| 65-69 | 1.4 | 0.7 | 1.0 | 1.0 | 1.1 | 1.3 |
| 70-74 | 1.4 | 0.6 | 0.9 | 0.7 | 0.9 | 1.3 |
| 75-79 | 1.4 | 0.6 | 0.8 | 0.6 | 0.7 | 1.5 |
| 80-84 | 1.3 | 0.5 | 0.7 | 0.5 | 0.6 | 1.2 |
| 85 & more | 1.4 | 0.4 | 0.7 | 0.5 | 0.6 | N/A |
| 1955 | 1960 | 1965 | 1970 | 1975 | 1980 | |
| age | women (%) | women (%) | women (%) | women (%) | women (%) | women (%) |
| 15-19 | 98.2 | 98.6 | 98.6 | 97.9 | 98.6 | 99.0 |
| 20-24 | 66.4 | 68.3 | 68.1 | 71.7 | 69.3 | 77.8 |
| 25-29 | 20.6 | 21.7 | 19.0 | 18.1 | 20.9 | 24.0 |
| 30-34 | 7.9 | 9.4 | 9.0 | 7.2 | 7.7 | 9.1 |
| 35-39 | 3.9 | 5.5 | 6.8 | 5.8 | 5.3 | 5.5 |
| 40-44 | 2.3 | 3.1 | 4.7 | 5.3 | 5.0 | 4.4 |
| 45-49 | 1.7 | 2.1 | 3.0 | 4.0 | 4.9 | 4.5 |
| 50-54 | 1.2 | 1.6 | 2.1 | 2.7 | 3.8 | 4.4 |
| 55-59 | 1.0 | 1.3 | 1.7 | 2.0 | 2.6 | 3.5 |
| 60-64 | 0.9 | 1.1 | 1.3 | 1.6 | 2.0 | 2.4 |
| 65-69 | 0.8 | 1.0 | 1.1 | 1.3 | 1.8 | 1.7 |
| 70-74 | 0.8 | 1.0 | 1.1 | 1.1 | 1.6 | 1.3 |
| 75-79 | 0.8 | 1.1 | 1.1 | 1.1 | 1.5 | 1.0 |
| 80-84 | 0.7 | 1.0 | 0.9 | 1.0 | 1.4 | 0.9 |
| 85 & more | 0.5 | 0.9 | 0.8 | 1.0 | 1.2 | 0.7 |
| 1985 | 1990 | 1995 | 2000 | 2005 | 2010 | |
| age | women (%) | women (%) | women (%) | women (%) | women (%) | women (%) |
| 15-19 | 99.1 | 99.3 | 99.3 | 99.1 | 99.2 | 99.4 |
| 20-24 | 81.6 | 86.0 | 86.8 | 88.0 | 88.7 | 89.6 |
| 25-29 | 30.6 | 40.4 | 48.2 | 54.0 | 59.1 | 60.3 |
| 30-34 | 10.4 | 13.9 | 19.7 | 26.6 | 32.0 | 34.5 |
| 35-39 | 6.6 | 7.5 | 10.1 | 13.9 | 18.7 | 23.1 |
| 40-44 | 4.9 | 5.8 | 6.8 | 8.6 | 12.2 | 17.4 |
| 45-49 | 4.3 | 4.6 | 5.6 | 6.3 | 8.3 | 12.6 |
| 50-54 | 4.4 | 4.1 | 4.6 | 5.3 | 6.2 | 8.7 |
| 55-59 | 4.4 | 4.2 | 4.1 | 4.3 | 5.3 | 6.5 |
| 60-64 | 3.5 | 4.2 | 4.2 | 3.9 | 4.3 | 5.5 |
| 65-69 | 2.4 | 3.4 | 4.2 | 4.0 | 3.8 | 4.5 |
| 70-74 | 1.7 | 2.3 | 3.4 | 4.0 | 3.9 | 4.0 |
| 75-79 | 1.3 | 1.7 | 2.3 | 3.3 | 4.0 | 4.0 |
| 80-84 | 1.0 | 1.3 | 1.7 | 2.3 | 3.2 | 4.1 |
| 85 & more | 0.8 | 1.0 | 1.4 | 1.6 | 2.1 | 2.9 |
Source is Statistics Bureau.
平成22年国勢調査 最終報告書「日本の人口・世帯」統計表
第4表 配偶関係（4区分），年齢（5歳階級），男女別15歳以上人口 － 全国（大正9年～平成22年）
www.e-stat.go.jp/SG1/estat/List.do?bid=000001053739&cycode=0
www.e-stat.go.jp/SG1/estat/GL08020103.do?_xlsDownload_&fileId=000006894899&releaseCount=2
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