Megaregion
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Megaregion
A satellite view of the U.S. Northeast megalopolis, the most populous megalopolis in the Western Hemisphere, home to over 50 million people, displayed at night.

A megalopolis (sometimes called a megapolis; also megaregion, or supercity)[1] is typically defined as a chain of roughly adjacent metropolitan areas, which may be somewhat separated or may merge into a continuous urban region.

Emerging megalopolises in the developing world include the Pearl River Delta, which when formed will constitute the core part of a Southern China Coast megaregion; the Unified Jakarta-Bandung metro area forming the core of the Northern Java megaregion; and the Yangtze River Delta core, a part of a Central Chinese Coast megaregion.

History of term megalopolis

The term was used by Patrick Geddes in his 1915 book Cities in Evolution,[2][verification needed] by Oswald Spengler in his 1918 book The Decline of the West, and Lewis Mumford in his 1938 book The Culture of Cities, which described it as the first stage in urban overdevelopment and social decline. Later, it was used by Jean Gottmann in his landmark 1961 study, Megalopolis: The Urbanized Northeastern Seaboard of the United States, to describe the chain of metropolitan areas along the northeastern seaboard of the US, extending from Boston, Massachusetts, through New York City, Philadelphia, and Baltimore and ending in Washington, D.C. and Northern Virginia.[3][4][5] The latter is sometimes called the "BosWash megalopolis". The term has been interpreted as meaning "supercity".[1]

Definitions

Megapolis is ungrammatically derived from Greek: (mégas) meaning 'great' and Greek: (pólis) meaning 'city', therefore literally a 'great city' (compare "megacity"). Because in Greek, is feminine, the correct term is megalopolis.[] The Ancient Greek city of Megalopolis was formed by the Arcadian League by bringing together smaller communities.

A megalopolis, also known as a megaregion, is a clustered network of cities. Gottmann defined its population as 25 million.[6] Doxiadis defined a small megalopolis a similar cluster with a population of about 10 million.[7][8][9] America 2050,[10] a program of the Regional Plan Association, lists 11 megaregions in the United States and Canada.[7] Literally, megalopolis in Greek means a city of exaggerated size where the prefix megalo- represents a quantity of exaggerated size.[11]Megapolitan areas were explored in a July 2005 report by Robert E. Lang and Dawn Dhavale of the Metropolitan Institute at Virginia Tech.[12] A later 2007 article by Lang and Nelson uses 20 megapolitan areas grouped into 10 megaregions.[13] The concept is based on the original Megalopolis model.[9]

Modern interlinked ground transportation corridors, such as rail and highway, often aid in the development of megalopolises. Using these commuter passageways to travel throughout the megalopolis is informally called megaloping. This term was coined by Davide Gadren and Stefan Berteau.[14]

In Brazil, the similar sounding terms to megaregion (megarregião when translated to English, are actually legally distinct and take on quite different meaning: Mesoregions of Brazil (mesorregião) and Microregions of Brazil (microrregião).

Africa

Americas

Transnational

Argentina

Satellite image of Greater Buenos Aires at night. Urban sprawl created a vast conurbation of 12,801,365 inhabitants including the City of Buenos Aires, a third of the total population of Argentina.
Megalopolis Name Population
in
2013
Major cities Other cities
Greater Buenos Aires 13,641,973 Buenos Aires; Merlo, Buenos Aires; Quilmes; Banfield, Buenos Aires Lanús; Hurlingham, Buenos Aires; and Avellaneda

Brazil

Canada

Megalopolis name Population
in millions
2011
Population
in millions
2025 (projected)
Population
percent growth 2011 - 2025 (projected)
Major cities Related articles
Quebec City-Windsor Corridor 18.4 21 14.1% Hamilton, Kingston, Kitchener, London, Mississauga, Montreal, Oshawa, Ottawa, Peterborough, Quebec City, Toronto, Trois-Rivières, Vaughan, Windsor Southern Ontario
Calgary-Edmonton Corridor 2.7 4 48.1% Calgary, Edmonton, Red Deer, St. Albert, Airdrie Calgary Region, Edmonton Capital Region, Central Alberta

Colombia

The following megaregions in Colombia are expected to have nearly 93% (55 Million people) of its population by 2030, up from the current 72%. There are currently 4 major megaregions in Colombia.

Megalopolis name Population in 2015 Population in 2030 (projected) Major cities
Bogota National Capital Metropolis 17,000,000 26,500,000 Bogotá, Soacha, Facatativá, Chía, Tunja, Fusagasugá, Zipaquirá, Madrid, Funza, Cajicá, Ubaté, Sibaté, Guaduas, Villa de Leyva and Tocancipá
Pacific Belt 9,000,000 14,000,000 Medellín, Cali, Bello, Pereira, Manizales, Armenia, Itagüí, Yumbo, and Palmira
Northeast Atlantic Region 6,000,000 10,500,000 Barranquilla, Cartagena, Santa Marta, Ciénaga, Malambo, Baranoa and Turbaco
Santander Belt 3,000,000 5,200,000 Bucaramanga, Cúcuta, Ocaña, and Pamplona

Other sources[20] show that another megaregion may be considered:

Megalopolis name Population in 2015 Population in 2030 (projected) Major cities
Golden Triangle 29,500,000 41,000,000 Bogotá, Soacha, Medellín, Cali, Bello, Manizales, Armenia

Mexico

Mexico City megalopolis
Megalopolis name Population
in millions
2015
Population
in millions
2025 (projected)
Population
percent growth 2000 - 2025 (projected)
Major cities Related articles
Bajío 11 ? ?% León, Querétaro, Aguascalientes, Celaya, Irapuato, San Juan del Río, Salamanca Bajío
Mexico City megalopolis 28 ? ?% Mexico City, Puebla, Cuernavaca, Toluca, Pachuca, Tula, Tlaxcala, Cuautla, Tulancingo

Peru

Megalopolis name Population
in
2013
Major cities Other cities
Lima-Callao Megalopolis 10,523,796 Lima and Callao Cono Norte, Cono Sur, and Cono Este

United States

MapofEmergingUSMegaregions.png

Constituent urban areas of each megalopolis are based on reckoning by a single American organization, the Regional Plan Association (RPA). The RPA definition of the Great Lakes Megalopolis includes some Canadian metropolitan areas with the United States, including some but not all major urban centres in the Windsor-Quebec City Corridor. Note that one city, Houston, is listed in two different Megalopolis regions as defined by the RPA, (the Gulf Coast and Texas Triangle).[7][21]

Megalopolis name Population
in millions
2010
Percent of U.S. Population (2010) Population
in millions
2025 (projected)
Population
percent growth 2010 - 2025 (projected)
Major cities
Arizona Sun Corridor[22][23] 5.6 2% 7.8 39.3% Mesa, Phoenix, Tucson, Prescott, Scottsdale
Northern California 14 5% 16.4 17.1% Fresno, Modesto, Oakland, San Francisco, San Jose, Stockton, Berkeley, Cupertino, Fremont, Reno, Sacramento
Southern California 24.4 8% 29 18.9% Los Angeles, San Diego, Santa Barbara, San Bernardino, Riverside, Bakersfield, Las Vegas, Long Beach, Tijuana
Cascadia 12.4 3% 13.5 8.2% Abbotsford, Boise, Eugene, Portland (OR), Salem, Seattle, Tacoma, Spokane, Tri-Cities, Vancouver (BC), Vancouver (WA), Victoria
Florida 17.3 6% 21.5 24.3% Fort Lauderdale, Jacksonville, Miami, Orlando, St. Petersburg, Tampa, Sarasota, Fort Myers, Gainesville, Palm Bay, Pensacola
Front Range 5.5 2% 6.9 26% Albuquerque, Cheyenne, Colorado Springs, Denver, Pueblo, Salt Lake City, Santa Fe
Great Lakes 59.1 18% 65.7 10% Buffalo, Chicago, Cincinnati, Cleveland, Columbus, Detroit, Indianapolis, Kansas City, Louisville, Milwaukee, Minneapolis, Montreal, Ottawa, Pittsburgh, St. Louis, Toronto
Gulf Coast 13.4 4% 16.3 21.6% Baton Rouge, Corpus Christi, Houston, McAllen, Brownsville, Mobile, Gulfport, Biloxi, New Orleans, Pensacola
Northeast 52.3 17% 58.4 11.7% Allentown-Bethlehem, Atlantic City, Baltimore, Boston, Harrisburg, Hazleton, Knowledge Corridor (Springfield and Hartford), Nashua, New Haven, New York, Newark, Norfolk, Ocean City, Philadelphia, Portland (ME), Pottsville, Providence, Richmond, Scranton/Wilkes-Barre, Trenton, Virginia Beach, Washington, Wilmington, Worcester
Piedmont Atlantic 17.6 6% 21.7 23.3% Atlanta, Birmingham, Charlotte, Durham, Chapel Hill, Greensboro, Greenville, Huntsville, Chattanooga, Knoxville, Memphis, Montgomery, Nashville, Raleigh, Winston-Salem
Texas Triangle 19.7 6% 24.8 25.9% Austin, Dallas, Fort Worth, Houston, San Antonio

Venezuela

Megalopolis name Population
in
2013
Major cities Other cities
Caracas-Valencia Megalopolis +9,000,000 Caracas, Valencia, and Maracay Cagua, Maiquetía, and Guatire

Asia

East Asia

China

In July 2012, the Economist Intelligence Unit brought out a report entitled; Supersized cities: China's 13 megalopolises, which pinpoints the 13 emerging megalopolises in China, and highlights the demographic and income trends that are shaping their development.

Japan

Japan is made up of overlapping megapolises. The Taiheiy? Belt megapolis itself includes both the Greater Tokyo Area and Keihanshin megapoles.

South Korea

Satellite image of Seoul and greater area

Taiwan

South Asia

Dhaka, Bangladesh; part of the emerging chain of cities in the Bengal region

Sri Lanka

Western Region Supercity of Colombo (Megapolis) with 3,687 km2 land area and currently over 7 million population comprising several municipal, urban, and town councils politically. This is planned to be spacious and modern megacity with dedicated core zones for financial, trade, industrial, educational, logistic, transport, health, sports, recreational activities and services in par with the international level. Once completed it would be one of the most livable and favored cities in the world.

India

Chennai International Airport, one of India's major international airports

Bangladesh

  1. Dhaka (Greater Dhaka Megalopolis consists four city Corporations: Dhaka South, Dhaka North, Gazipur, and Narayanganj and five municipals: Savar Upazila (A class), Dohar Upazila (A class), Dhamrai Upazila (A class), Tongi (Special Class), Sonargaon (B class) (17,000,000)
  2. Chittagong (4,009,423)

Pakistan

Karachi comprises six district municipal corporations. The total population is 24 million according to the 2011 census.

Nepal

Kathmandu valley, which consists of 5 municipalities namely Kathmandu, Lalitpur, Bhaktapur, Kirtipur and Madhyapur Thimi, along with the peripheral cities of Banepa, Panauti and Dhulikhel.

Southeast Asia

Philippines

Mega Manila is made up of 4 Regions:

(Regional Centers) San Fernando-Manila-Calamba-Calapan

Total Population of Mega Manila as of 2015: (40,624,035)[34]

Thailand, Malaysia, Singapore, and Vietnam

Southwest Asia

Iran

  • Greater Tehran: A region located in Iranian Tehran and Alborz Province in central Northern Iran with its influence expanding in Qom Province, Qazvin Province and Mazandaran Province, home for at least 15 million people, it is one of the most populous urban areas in the Greater Middle East and the surrounding regions. Tehran was a small village 200 years ago when it was first chosen as the Capital city and it has been growing at a very fast rate.

Turkey

(all figures extrapolated from end of 2014 and end of 2015 figures of,[37] to middle of year 2016)

  • Greater Istanbul: Includes Istanbul city proper, with continuous urbanization spilling over to neighboring provinces, as well as nearby dense population and highly industrialized areas. Istanbul, eastern counties of Tekirda? province, entire coast of Izmit bay, and Adapazar? add up to 17.5 million population.
  • Other major cities: Ankara (5 million), Izmir (includes satellites Torbal?-Alia?a-Urla-Manisa to add up to 4 million), Adana-Tarsus-Mersin (3 million), Bursa (2.1 million)

Europe

The Blue Banana, the Golden Banana and the Green Banana.

Transnational (Europe)

Scandinavia

Rank Megalopolis Name Population
in millions
Major cities
1 Greater Copenhagen 4[42][43] Copenhagen, Malmö, Helsingborg, Lund, and Roskilde

France

Rank Megalopolis Name Population
in millions
Major cities
1 Paris metropolitan area 12.3[44] Paris & Île-de-France
2 Lyon economic region 5.5[39] Lyon & Rhône-Alpes river area
3 Marseille metropolitan region 1.8[39] Marseille, Aix-en-Provence
4 Toulouse economic region 1.5[39] Toulouse, Andorra (independent state, not a part of France)
5 Nice economic region 1.1[39] Nice, Monaco (independent city-state, not a part of France)

Germany

[39][45]

Italy

[39][46]

Rank Megalopolis name Population
in millions
Major cities
1 Grande Milano 8.2 Milan
2 Naples metropolitan area 4.46 Naples
3 Rome metropolitan area 4.3 Rome
4 Turin economic region 4.1 Turin & Piedmont centre and south area
5 Padua-Treviso-Venice Metropolitan Area 2.6 Venice & Padua & Treviso central-eastern Veneto region
6 Genoa metropolitan region 1.5 Genoa
7 Conca d'Oro 1.1 Palermo and neighboring cities

Benelux

Netherlands, Belgium & Luxembourg:[39]

Rank Megalopolis Name Population
in millions
Major cities
1 Randstad 7.5 Amsterdam, Rotterdam, The Hague, Utrecht
2 Flemish Diamond 5.5 Brussels, Antwerp, Ghent, Leuven
3 Brabantse Stedenrij 2.0 Eindhoven, Tilburg, Breda, 's-Hertogenbosch, Helmond

Poland and the Czech Republic

Rank Megalopolis Name Population
in millions
Major cities
1 Silesian Metropolis 5.3 Katowice, Ostrava

Spain

[39]

United Kingdom

Oceania

Australia

Megalopolis Name Population
in millions
Major cities
Sydney Region[] 5.77[49] Greater Sydney (including Central Coast and Blue Mountains) (4.97 million), Newcastle and Lake Macquarie (501,000), Illawarra (300,000)
Port Phillip Bay Area[] 4.98[49] Greater Melbourne (including Mornington Peninsula) (4.7 million), Greater Geelong (233,429), Melton, Victoria (54,455)
South East Queensland 3.45[49] Greater Brisbane (2.3 million), Gold Coast-Tweed Heads (662,000), Sunshine Coast (341,000), Toowoomba (152,000)

See also

References

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  2. ^ Geddes, Patrick (1915). Cities in Evolution. London: Williams & Norgate – via Internet Archive.
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External links


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Megaregion
 



 

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