This book presents recent efforts and new approaches to improve our understanding of the evolution of health and mortality in urban environments in the long run, looking at transformation and adaptations during the process of rapid population growth. In a world characterized by large and rapidly evolving urban environments, the past and present challenges cities face is one of the key topics in our society. Cities are a world of differences and, consequently, of inequalities.

This is the eighth edition of Society at a Glance, the biennial OECD overview of social indicators. This report addresses the growing demand for quantitative evidence on social well-being and its trends. It updates some indicators included in the previous editions published since 2001 and introduces several new ones, with 25 indicators in total. It includes data for the 35 OECD member countries and where available data for key partners (Brazil, China, India, Indonesia, Russia and South Africa); other G20 countries (Argentina and Saudi Arabia) are also included.