Megacities, not nations, are the world’s dominant, enduring social structures — Quartz

Cities are mankind’s most enduring and stable mode of social organization, outlasting all empires and nations over which they have presided. Today cities have become the world’s dominant demographic and economic clusters.

As the sociologist Christopher Chase-Dunn has pointed out, it is not population or territorial size that drives world-city status, but economic weight, proximity to zones of growth, political stability, and attractiveness for foreign capital. In other words, connectivity matters more than size. Cities thus deserve more nuanced treatment on our maps than simply as homogeneous black dots.

Article: Megacities, not nations, are the world’s dominant, enduring social structures — Quartz by Parag Khanna 

This map from my new book, Connectography, shows the distribution of the entire world’s population, with yellow representing the most dense areas. These zones are, not surprisingly, where you find the dashed ovals that represent the world’s burgeoning megacities, each of which represents a large percentage of national GDP (indicated by the larger circles) in addition to its role as a global hub.

Within many emerging markets such as Brazil, Turkey, Russia, and Indonesia, the leading commercial hub or financial center accounts for at least one-third or more of national GDP. In the UK, London accounts for almost half Britain’s GDP. And in America, the Boston-New York-Washington corridor and greater Los Angeles together combine for about one-third of America’s GDP.

By 2025, there will be at least 40 such megacities. The population of the greater Mexico City region is larger than that of Australia, as is that of Chongqing, a collection of connected urban enclaves in China spanning an area the size of Austria. Cities that were once hundreds of kilometers apart have now effectively fused into massive urban archipelagos, the largest of which is Japan’s Taiheiyo Belt that encompasses two-thirds of Japan’s population in the Tokyo-Nagoya-Osaka megalopolis.

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Photo Credit: Shifting the focus of global economic activity. (Connectography)

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