移民是自人类社会诞生以来从未间断过的世界范围内的人口迁移现象。移民有三个基本内涵和维度,一是空间维度,二是时间维度,三是数量维度。移民问题历来受到广泛关注和重视。在简要概括国际国内移民历史,梳理移民内涵的基础上,从移民迁移区域、主观意愿、诱导因素、移民开发目的等划分标准对移民类型进行了进一步分类,并对相应移民类型做简要说明和典型案例补充。
Immigration is a common phenomenon in the world since the birth of human society. Immigration contains three basic dimensions, first is spatial dimension, second is time dimension, third is quantitative dimension. It is widely concerned about the immigration problem. On the basic of the briefly summarise of domestic and international migration history and the connotation of immigration, we classify immigration from four aspects, including the area, the intention, the inducing factors, the environment and the motives. And each type has its brief corresponding supplement and typical cases.