![]() ![]() Urban areas are a component of metropolitan areas, the other component of which is non-urban or rural territory. Urban areas are not metropolitan areas, which represent the economic or functional form of a city. Generally, urban areas can be identified by the lights one would see from an airplane at night or in a satellite photograph. Urban areas (or urban agglomerations) are areas of continuous urban development within a metropolitan area (labor market area), and are the physical form of that constitutes the essence a city. Overall, data is provided for approximately 1500 urban areas, comprising approximately 1.9 billion people, or 52% of the world's urban population. ![]() These urban areas account for approximately 48% of the world's urban population. The publication includes population estimates, urban land area estimates and urban densities for all nearly 850 identified urban areas in the world with a population of 500,000 or more. The latest edition of Demographia World Urban Areas has just been released. ![]()
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