Review of How Population Change Will Transform Our World by Sarah Harper

In this book, Sarah Harper explores the relevant topic of the shift in the age structure of the world’s population. She addresses this issue by considering the entire world population. In particular, she deeply analyses causes and consequences of the age-structural change highlighting convergences and differences between populations of various geographical areas and focusing on the connections with economic and social factors. Addressed also to a wider audience, this book sheds light about the important changes of the population age structure and about the future of the world population. The author highlights differences and interconnections existing between various populations of the world, without forgetting to stress the importance to consider changes at the individual level within the society. Sarah Harper, through this book, contributes to provide instruments and knowledge to understand the populations and societies of the world.