Basic Study on the Changes of Determinants of Elderly Migration in Japan and Gifu Prefecture

从1960年到2000年，青壮年人口的迁移从向大城市地区集中转变为向农村地区迁移。另一方面，老年人口继续向主要大都市区集中。年轻老年人的决定因素发生了不同的变化，而对于老年人来说，40年来移民的决定因素是与子女同住/住在子女家附近。岐阜州希达地区的老年人搬到了希达地区的中心区。

Migration of young old has changed from concentration toward major metropolitan areas to that toward to rural areas from 1960 to 2000. On the other hand, migration of old old continues to concentrate to major metropolitan areas. Determinants of young old changed variously, and for old old the same determinant of migration for forty years was living together with/near children's household. Elderly people in Hida region of Gifu prefecture moved to the central district of Hida region.