Bringing together an international team of scholars, this pioneering book presents the first truly systematic, cross-linguistic study of variation in literacy development. It draws on a wide range of cross-cultural research to shed light on the key factors that predict global variation in children's acquisition of reading and writing skills, covering regions as diverse as North and South America, Asia, Australia, Europe and Africa. The first part of the volume deals with comprehensive reviews related to the variation of literacy in different regions of the globe as a function of socio-political, sociocultural, and language and writing system factors. The second part of the volume deals with comprehensive reviews related to the variation of literacy in different world regions. Offering a pioneering new framework for global literacy development, this groundbreaking volume will remain a landmark in the fields of literacy development and literacy teaching and learning for years to come.