in March 2005 has issued the “Guideline for Evacuation Support of Residents Requiring
Assistance during Disasters” and requested local municipalities to make concrete plans for supporting
residents requiring assistance during disasters who are defined as “people such as elderly and
handicapped who require assistance during disasters in order to protect themselves” (Cabinet Office,
Government of Japan [5]). This includes assigning supporters to each residents requiring assistance
during disasters. However, many local municipalities are having difficulties even to list up the residents
requiring assistance during disasters due to personal information protection and sectionalism that inhibit
cross-section sharing of information to identify those people requiring assistance during disasters.