地方都市における高齢者の継続居住可能性に関する研究: 宇都宮市を事例とした居住環境評価

摘要

我が国の高齢者人口（65歳以上）は，2011年に2,980万人となり，総人口に占める割合（高齢化率）は，WHOの定義による「超高齢社会」に該当して久しい.今後とも我が国では長期的に人口減少が続き，高齢化傾向はますます増進するとされており，2035年には高齢化率が33,796,つまり国民の3人に1人が65歳以上となると推計されている.%In recent years, residential areas in local city are facing many problems; rapidly increasing number of elderly people, regional gaps of social service and shrinking social capital. For solving problems, these areas urgently need to consider for keeping livelihood, creating a safe and secure social for elderly people. The purpose of this study is constructing the evaluation methodology of present environmental condition in residential area. And the methodology will be able to judge the future situation whether the region will be habitable. We analyze the characteristics of the local, Utsunomiya city in Tochigi. And to use GIS and to calculate the physical environments clarified the situation of local areas quantitatively. As the results, the center of the city has an adequate amount of facilities within walking distance. On the other hand, living in the suburbs is difficult to walk. The study confirms the efficacy of an overall evaluation of living environment.