本文旨在探讨地理学如何有助于理解21世纪的国际移民现象。为此，引言部分阐述了核心观点及文本的内在结构；第二部分介绍了指导本研究的理论与方法论框架；第三部分基于二手数据与实证信息，通过文字描述与统计地图呈现研究结果；最后，在结语部分对全文进行总结，以期为所提出的学术讨论提供助益。

The focus of this text is to discuss how geographical science can contribute to an understanding of international migration in the 21st century. To this end, in the introduction we present the central ideas, as well as the internal structure of the text. Then, we present the theoretical and methodological approach that guides the research and, in section three, we show the results through texts and cartograms based on secondary data and empirical information. Finally, in the final remarks, we summarize the text with a view to contributing to the proposed debate.