While acknowledging the vast differences between international and internal migration scenarios, and also between the ability of rich, emerging countries and poor countries to deal with these, this report has highlighted the growing evidence of the potential benefits of all forms of migration and mobility for city growth and development. In order to maximize the developmental benefits of these new mobility patterns in terms of improving migrant well-being, it is imperative for cities to put inclusive urban policies in place for basic services and socioeconomic inclusion. They can be architects and construction workers of growing cities, service providers, entrepreneurs, employers and innovators. As part of the global diaspora, they can facilitate business and humanitarian support between cities and countries.