This paper provides data-based analyses of recent interregional migration considering the examples of Japan and Poland. The analyses are conducted against the background of the general demographic and economic situations of both countries, in particular, regional disparities and economic growth....

The regional population problem is one of the most critical challenges in the Japan, and there are many discussions about the problem. Even though the population comprises numerous factors such as population movement, agglomeration, and births, few discussions comprehensively handle these...

In this research, we estimated the number of possible subscribers of the public switched telephone network (hereafter, referred to as "PSTN") in the future of Japan based on the public data, and evaluated the alternatives as the candidates for the migration by comparative analysis, with respect...