3Lifelong Leaming Policy Bureau, Ministry of Education,Culture, Sports. Science and Technology in Japan. At http: //www. stat.go. jp/english/data/jinsui/15k2.htm.
4Ryuichi Kaneko. Below- Replace Fertility in Japan:Trends, Determinants and Prospects. Population Bulletin of the United Nations, Nos. 40/41, 1999.
5United Nations Population Division. World Population Prospects: The 2000 Revision, Volume Ⅱ : The Sex and Age Distribution of Populations. United Nations New York, 2001.
6UNESCO. Statistical yearbook 1999. UNESCO Publishing & Beman Press, 1999.
7Ryuichi Kaneko. Below- Replace Fertility in Japan:Trends, Determinants and Prospects. Population Bulletin of the United Nations, Nos. 40/41, 1999.
8United Nations Population Division. World Population Prospects: The 2000 Revision, Volume Ⅱ : The Sex and Age Distribution of Populations. United Nations New York, 2001.
9Lifelong Leaming Policy Bureau, Ministry of Education,Culture, Sports. Science and Technology in Japan. At http: //www. stat.go. jp/english/data/jinsui/15k2.htm.
10UNESCO. Statistical yearbook 1999. UNESCO Publishing & Beman Press, 1999.
