Population migration refers to the natural flow and non-natural flow of population between regions. In contemporary society, population migration is mainly caused by economic and social factors, and it is also a microcosm of the national industrialization, urbanization, and modernization. Population migration has advantages and disadvantages, this paper analyzes the national, regional, individual changes caused by population migration in the background of reform and opening up.%人口迁移是指人口在区域之间的自然流动和非自然流动.当代社会,人口迁移主要是经济社会因素引起的,也是国家工业化、城市化、现代化建设的一个缩影.人口迁移有利也有弊,本文就改革开放背景下人口迁移带来国家、区域、个体的变化展开深刻具体剖析.
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