Global migration corridors refer to structured and sustained pathways of human mobility that connect specific origin and destination countries or regions over time. These corridors are shaped by historical ties, economic complementarities, political agreements, demographic imbalances, colonial legacies, social networks, and transnational institutions. In migration and diaspora studies, global migration corridors are not merely geographical routes but complex socio-economic and political formations that facilitate and regulate the circulation of people, remittances, ideas, identities, and cultural practices across borders. The theoretical understanding of migration corridors draws heavily from classical and contemporary migration theories. Ravenstein’s laws of migration first highlighted patterned mobility, suggesting that migration flows are not random but follow discernible routes. Later, neoclassical economic theory explained corridors through wage differentials and labor market imbalances between sending and receiving regions. According to this perspective, migration corridors emerge between labor-surplus economies and labor-deficit economies, such as Mexico–United States or India–Gulf Cooperation Council (GCC) countries, where economic incentives drive sustained mobility. The push-pull framework further conceptualizes corridors as outcomes of pressures in origin countries—such as unemployment, conflict, environmental stress—and attractions in destination countries—such as employment opportunities, political stability, and social welfare systems. However, this model has been critiqued for oversimplifying the structural and relational aspects of migration. Migration systems theory offers a more holistic explanation by emphasizing reciprocal linkages between countries. Once established, corridors tend to institutionalize through recruitment agencies, bilateral labor agreements, remittance channels, and community networks, thereby reinforcing continued migration. Network theory and social capital theory provide deeper methodological insights into the persistence of corridors. Migrant networks reduce the costs and risks associated with migration by providing information, financial assistance, and social support. These networks create path dependency, where initial flows generate chain migration, strengthening specific corridors over generations. For instance, Turkish migration to Germany or Filipino migration to the United States demonstrates how kinship ties and community linkages consolidate corridors into enduring transnational spaces. World-systems theory situates global migration corridors within the broader framework of global capitalism. It argues that migration flows often follow patterns established through colonialism, trade, and economic dependency. Core countries attract migrants from peripheral and semi-peripheral regions due to structural inequalities embedded in the global economic system. The corridor between North Africa and France or South Asia and the United Kingdom reflects historical imperial connections that continue to shape mobility patterns. In this sense, corridors are embedded in global hierarchies and power asymmetries. From a diaspora perspective, migration corridors are spaces where diasporic identities are formed and sustained. Diasporas emerge not only from displacement but from continuous circulation and communication across corridors. Transnationalism theory highlights how migrants maintain multiple attachments to both origin and destination societies.