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[93] Characteristics of Nationwide Migration in Japan under the COVID-19 Pandemic
Keywords:Migration, Modified gravity model, Amenity, Spread of infection, Metropolitan areas, Rural areas
The COVID-19 pandemic that began in 2020, affecting various aspects of society and the economy, is expected to have an impact on wide-area population movement, which is of great interest from the perspective of national land planning, and in fact, an expansion of migration from metropolitan areas to rural areas has been observed. In this paper, we attempt to understand the characteristics of migration under the COVID-19 pandemic by using a modified gravity model based on data on inter-prefectural migration obtained through the Basic Resident Registration Population. As a result, it was confirmed that migration to areas with lower incomes or larger per capita living space tends to occur relatively more frequently. In terms of short-term changes, it was found that migration is suppressed once at the time of infection spread in the originating area, but then recovers and exceeds the previous level of migration.