1 United Nations, "World Population Prospects: The 2000 Revision" 2001
2 Cabinet Office, "The International Study on Living and Consciousness of Senior Citizens"
3 National Institute of Population and Social Security Research, "Projection of Future Populations by Prefectures" 2007
4 Tetsuo Tsuji, "Preventive Measures in the Super Aging Society, Institute of Gerontology" Tokyo University 2010
5 Ministry of Health, Labour and Welfare, "Kokumin Seikatutsu Kiso Chosa no Gaikyo, Comprehensive Survey of Living Condition of the People on Health and Welfare"
6 Ministry of Health, Labour and Welfare, "Jinko Dotai Tokei, Vital Statistics of Japan"
7 Institute of Gerontology, the University of Tokyo, "Introduction to Research Activities"
8 Hiroko Sato, "Follow-up Study of the farm family and Middle-Aged Women in Rural Japan" The Report of Grant-in-Aid for Scientific Research(C), 2007
9 Hiroko Sato, "Follow-up Study of Attitudes toward Old Age among Middle-Aged Women in Rural Area: Differences in types of changes in family life cycle" Japan Socio-Gerontological Society 20 (20): 1998
10 Hiroko Sato, "Follow-up Study of Attitudes toward Old Age among Middle-Aged Women in Rural Area (Part 2): Cohort Differences in 1982 and 1993" The Japan Society of Home Economics 47 (47): 1996
1 United Nations, "World Population Prospects: The 2000 Revision" 2001
2 Cabinet Office, "The International Study on Living and Consciousness of Senior Citizens"
3 National Institute of Population and Social Security Research, "Projection of Future Populations by Prefectures" 2007
4 Tetsuo Tsuji, "Preventive Measures in the Super Aging Society, Institute of Gerontology" Tokyo University 2010
5 Ministry of Health, Labour and Welfare, "Kokumin Seikatutsu Kiso Chosa no Gaikyo, Comprehensive Survey of Living Condition of the People on Health and Welfare"
6 Ministry of Health, Labour and Welfare, "Jinko Dotai Tokei, Vital Statistics of Japan"
7 Institute of Gerontology, the University of Tokyo, "Introduction to Research Activities"
8 Hiroko Sato, "Follow-up Study of the farm family and Middle-Aged Women in Rural Japan" The Report of Grant-in-Aid for Scientific Research(C), 2007
9 Hiroko Sato, "Follow-up Study of Attitudes toward Old Age among Middle-Aged Women in Rural Area: Differences in types of changes in family life cycle" Japan Socio-Gerontological Society 20 (20): 1998
10 Hiroko Sato, "Follow-up Study of Attitudes toward Old Age among Middle-Aged Women in Rural Area (Part 2): Cohort Differences in 1982 and 1993" The Japan Society of Home Economics 47 (47): 1996
11 Hiroko Sato, "Follow-up Study of Attitudes toward Old Age among Middle-Aged Women in Rural Area (Part 1) : Intra-cohort Changes from 1982 to 1993" The Japan Society of Home Economics 47 (47): 1996
12 Hiroko Sato, "Follow-up Study of Affectual Solidarity toward Family Relationships of Six Dyads among Middle-aged Women in Rural Area: Aged Women in Rural Area" Japan Socio-Gerontological Society 22 (22): 2000
13 Hiroko Sato, "Changes in Household Composition and Family Life Cycle in Rural Family: The Follow-up Study in Okabe-cho in Shizuoka Prefecture" Council on Family Relations, The Japan Society of Home Economics 14 : 1995
14 Hiroko Sato, "Change of Rural Family and Women" Nippon-Hyoron-sha Co 2007
15 Japan Aging Research Center, "AGING IN JAPN"
16 Statistics Bureau, Government of Japan, "2005 Population Census of Japan"