This open access book offers a comprehensive understanding of South-South migration. It explores crucial migration themes such as migrant integration in urban areas, migration and rural transformation, urban migration policy environment, migration corridors, and migrant precarity and survival, especially food security. It features contributions from eminent scholars in the Global South, namely, Africa, Asia, Latin America & Caribbean and the Middle East. Chapters in the book present theoretical perspectives and practical case studies building on the results of detailed surveys, in-depth interviews, field observations and other materials. The book highlights new findings and research outputs from recent and ongoing collaborative projects between multiple researchers from the Global South and North. The book is intended for researchers, graduate students and teachers of geography, social policy, refugees and migration studies, history, international development and urban studies.  This is an open access book.