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A satellite image of the Pearl River Delta area in China. A megalopolis (/ ˌ m ɛ ɡ ə ˈ l ɒ p ə l ɪ s /) or a supercity, [1] also called a megaregion, [2] is a group of metropolitan areas which are perceived as a continuous urban area through common systems of transport, economy, resources, ecology, and so on. [2]
The Chinese municipality of Chongqing, which is the largest city proper in the world by population, comprises a huge administrative area of 82,403 km 2, around the size of Austria. However, more than 70% of its 30-million population are agricultural workers living in a rural setting .
Geographers had identified 25 such areas as of October 2005, [32] as compared with 19 megacities in 2004 and only nine in 1985. This increase has happened as the world's population moves towards the high (75–85%) urbanization levels of North America and Western Europe. Since the 2000s, the largest megacity has been the Greater Tokyo Area.
Urban area Distance at which the attractive force = the repulsive force Value of β; 1 Central city 10 km 6 2 Agglomeration 20 km 11 3 Metropolis 40 km 21 4 Patropolis 80 km 41 5 Megalopolis 160 km 81 6 Urban system 320 km 161 7 Urban macrosystem 640 km 321 8 Continental system 1,280 km 641 9 Intercontinental system 2,560 km 1,281 10 World system
The Northeast megalopolis, also known as the Northeast Corridor, Acela Corridor, [5] Boston–Washington corridor, BosWash, or BosNYWash, [6] is the most populous megalopolis exclusively within the United States, with slightly over 50 million residents as of 2022. It is the world's largest megalopolis by population and economic output. [7]
Urban area Country Built-up land area (km 2) Population Urban population density (per km 2) Greater Los Angeles United States: 87,940 18,316,743 541.1 San Francisco-Oakland-San Jose (Bay Area) United States: 26,390 9,710,000 953 New York City (New York City Metropolitan Area) United States: 12,093 20,902,000 1,728 Boston–Providence United ...
This is a list of the densest neighborhoods (sometimes also known as, urban subdivisions or urban districts) with over 30,000 inhabitants per square kilometre (78,000/sq mi) in the world with an area of at least 1 km 2. Most are districts of large cities and may vary significantly in regional importance.
The New York metropolitan area, the third most populous metropolitan area in the Americas with a population of 20,140,470 as of 2022. The list of metropolitan areas in the Americas has the top 50 most populous as of the most recent census results or projections. It is impossible to definitively compare and rank areas because each country may ...