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In France, an urban area (Fr: aire d'attraction d'une ville) is a zone encompassing an area of built-up growth (called an "urban unit" (unité urbaine) [41] – close in definition to the North American urban area) and its commuter belt . Americans would find the INSEE definition of the urban area [42] to be similar to their metropolitan area.
Since urban areas are composed of census blocks and not cities, counties, or county-equivalents, urban area boundaries may consist of partial areas of these political units. Urban areas are distinguished from rural areas: any area not part of an urban area is considered to be rural by the Census Bureau. The list in this article includes urban ...
Urbanization over the past 500 years [13] A global map illustrating the first onset and spread of urban centres around the world, based on. [14]From the development of the earliest cities in Indus valley civilization, Mesopotamia and Egypt until the 18th century, an equilibrium existed between the vast majority of the population who were engaged in subsistence agriculture in a rural context ...
The United States Census Bureau changed its classification and definition of urban areas in 1950 and again in 1990, and caution is thus advised when comparing urban data from different time periods. [2] [3] Urbanization was fastest in the Northeastern United States, which acquired an urban majority by 1880. [2]
CBSAs are delineated on the basis of a central contiguous area of relatively high population density, known as an urban area. The counties containing the core urban area are known as the "central counties" of the CBSA; these are defined as having at least 50% of their population living in urban areas of at least 10,000 in population. [8]
The first, urban population, describes the percentage of the total population living in urban areas, as defined by the country. The second measure, rate of urbanization, describes the projected average rate of change of the size of the urban population over the given period of time.
The New York metropolitan area, broadly referred to as the Tri-State area and often also called Greater New York, is the largest metropolitan economy in the world, with a gross metropolitan product of over US$2.6 trillion, [10] and the largest metropolitan area in the world by urban landmass, [11] [12] encompassing 4,669.0 sq mi (12,093 km 2). [13]
Common population definitions for an urban area (city or town) range between 1,500 and 50,000 people, with most U.S. states using a minimum between 1,500 and 5,000 inhabitants. [20] [21] Some jurisdictions set no such minima. [22] In the United Kingdom, city status is awarded by the Crown and then remains permanent.