Top Cities

10,000 Cities—and Counting – News

The European Commission and the Organization for Economic Cooperation and Development (OECD) recently presented “groundbreaking new mapping research” at World Urban Forum 10, concluding that there are around 10,000 cities in the world.

Gregory Scruggs shares insight into the unprecedented effort to document and define the contemporary city in an article for Next City. Nailing down a definition of cities is surprisingly challenging. Nuances can neglect huge swaths of the built environment or in wildly different population estimates.

No two countries define cities the same way, notes Scruggs: “In Denmark, 200 people living near each other constitutes a city. In Japan, the threshold is 50,000,” for example.

The new mapping project overcomes some of those challenges by adding a third definition besides urban and rural: the town. According to Scruggs’s explanation of the new definition, “over a quarter of the planet lives in towns — like those Danish hamlets of 200-odd souls — a category that the world has largely ignored in its preference for an urban-rural binary, the idea that someone either lives in a city or in the countryside.”

A few findings from the study stand out: half of the world’s 10,000 cities didn’t exist 40 years ago, for example, and 20 percent of the world’s cities are shrinking. “[Shrinking is] getting more common in countries where the population has started to stagnate or decline,” according to a quote from OECD’s head of urban statistics, Rudiger Ahrend, included in the article.

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