This report provides an assessment of spatial inequalities and segregation in cities and metropolitan areas from multiple perspectives. The chapters in the report focus on a subset of OECD countries and non-member economies, and provide new insights on cross-cutting issues for city...

This note is an update of the earlier versions released on 27 March and 13 May. It provides analysis on issues related to the economic, social and environmental impacts, lessons learned in terms of digitalisation, mobility, density, urban design and collaborative governance, and action-oriented...

By 2050, the global population living in cities is projected to reach 5 billion, growing from 3.5 billion in 2015. Massive investment in infrastructure will be needed to accommodate this growth, and to adapt infrastructure to climate change and benefit from the digital transition. This report...

Urban areas are now home to more than half the population of OECD countries. Megacities like Tokyo with more than 35 million people and Mexico with about 18.5 million, and large agglomerations such as Montreal, Helsinki, Madrid and Stockholm are often called "engines of national growth." They...