Internal migration has significant impacts on the population structure, public services, economic and social development of local areas. In this research, we adopted the theory and methods of complex network analysis to visualise the internal migration flows across local authorities in England and Wales. The graphic prominently highlights two spatial and geographic characteristics of population mobility in England and Wales: a large proportion of internal migration is associated with clusters of neighbouring or nearby local authorities, and the most urban authorities, such as London and other major metropolitan cities, have net outward internal migration (i.e., more people moving out than in).

国内移民对当地人口结构，公共服务，当地经济和社会发展具有重大影响。在这项研究中，我们采用了复杂网络分析的理论和方法来可视化英格兰和威尔士地方当局之间的内部移民流动。该图突出显示了英格兰和威尔士人口流动的两个空间和地理特征：内部迁移的很大一部分与邻近或附近的地方当局的集群有关，而大多数城市当局（例如伦敦和其他主要大城市）拥有净向外内部迁移（即，向外迁移的人数多于向外迁移的人数）。