This volume emphasizes the energetic nature of linguistic diversity and its consequences of how people think about language, how it affects the individual, education in school, and urban spaces across the globe. Hence, linguistic diversity reflects the constant state of rapid change prevalent in modern societies bearing opportunities as well as challenges. It is the prime objective of this selection of contributions to give a differentiated picture of the chances of linguistic diversity. Dynamics of Linguistic Diversity pays tribute to more recent developments in the study of language, applied linguistics, and education sciences. Contributions in this volume discuss how the concept of language is contextualized in a world of polylanguaging, investigate latent factors of influence, multilingual individuals, multilingual proficiency, multilingual practices and development, multilingual communication as well as teaching practices and whether they foster or hamper multilingual development.