An urban area is a human settlement with high population density and infrastructure of built environment. Urban areas are created through urbanization and are categorized by urban morphology as cities, towns, conurbations or suburbs. In urbanism, the term contrasts to rural areas such as villages and hamlets and in urban sociology or urban anthropology it contrasts with natural environment. The creation of early predecessors of urban areas during the urban revolution led to the creation of human civilization with modern urban planning, which along with other human activities such as exploitation of natural resources leads to human impact on the environment.
The world's urban population in 1950 of just 746 million has soared in the decades since. In 2009, the number of people living in urban areas (3.42 billion) surpassed the number living in rural areas (3.41 billion) and since then the world has become more urban than rural. This was the first time that the majority of the world's population lived in a city. In 2014 there were 7.25 billion people living on the planet, of which the global urban population comprised 3.9 billion. The Population Division of the United Nations Department of Economic and Social Affairs at that time predicted the urban population would grow to 6.4 billion by 2050, with 37% of that growth to come from three countries: China, India and Nigeria.
Unlike an urban area, a metropolitan area includes not only the urban area, but also satellite cities plus intervening rural land that is socio-economically connected to the urban core city, typically by employment ties through commuting, with the urban core city being the primary labor market.
- 1 Definitions
- 1.1 Argentina
- 1.2 Australia
- 1.3 Brazil
- 1.4 Canada
- 1.5 Colombia
- 1.6 China
- 1.7 Finland
- 1.8 France
- 1.9 Germany
- 1.10 India
- 1.11 Japan
- 1.12 The Netherlands
- 1.13 New Zealand
- 1.14 Norway
- 1.15 Philippines
- 1.16 Poland
- 1.17 Russia
- 1.18 Singapore
- 1.19 South Africa
- 1.20 South Korea
- 1.21 Sweden
- 1.22 Taiwan
- 1.23 United Kingdom
- 1.24 United States
- 1.25 Vietnam
- 2 See also
- 3 References
- 4 External links
What is urban? Historian John Gurda writes:
I have tried to uncover Milwaukee's civic bedrock - the shifting foundation on which individuals have built their lives and the community has constructed its identity. There is no doubt that the deepest layer of that bedrock is economic. In every age, people have chosen to live in urban areas not because of their climates or landmarks or cultural attractions, but because they offer jobs. ... It was economic opportunity that brought people to Milwaukee, and it is economic opportunity that keeps them there. I define cities as concentrations of people animated by concentrations of capital. More simply put, money is the root of all cities.— John Gurda, The Making of Milwaukee
Official definitions vary somewhat between nations. European countries define urbanized areas on the basis of urban-type land use, not allowing any gaps of typically more than 200 m, and use satellite imagery instead of census blocks to determine the boundaries of the urban area. In less developed countries, in addition to land use and density requirements, a requirement that a large majority of the population, typically 75%, is not engaged in agriculture and/or fishing is sometimes used.
Argentina is highly urbanized. The ten largest metropolitan areas account for half of the population, and fewer than one in ten live in rural areas. About 3 million people live in Buenos Aires City and the Greater Buenos Aires metropolitan area totals around 13 million, making it one of the largest urban areas in the world.
The metropolitan areas of Córdoba and Rosario have around 1.3 million inhabitants each and Mendoza, Tucumán, La Plata, Mar del Plata, Salta and Santa Fe have at least half a million people each.
The population is unequally distributed amongst the provinces: about 60% live in the Pampa region (21% of the total area), including 15 million people in Buenos Aires Province; Córdoba Province Santa Fe Province and the Autonomous City of Buenos Aires have 3 million each. Seven other provinces have over one million people each: Mendoza, Tucumán, Entre Ríos, Salta, Chaco, Corrientes and Misiones. Tucumán is the most densely populated with 60 inhabitants/km2, the only Argentine province more densely populated than the world average, while the southern province of Santa Cruz has around 1 inhabitant/km2.
|1||Buenos Aires||(Autonomous city)||13,834,000||11||Resistencia||Chaco||409,000||
|2||Córdoba||Córdoba||1,519,000||12||Santiago del Estero||Santiago del Estero||406,000|
|5||Tucumán||Tucumán||868,000||15||San Salvador de Jujuy||Jujuy||338,000|
|6||La Plata||Buenos Aires||836,000||16||Neuquén||Neuquén||309,000|
|7||Mar del Plata||Buenos Aires||633,000||17||Bahía Blanca||Buenos Aires||307,000|
|9||Santa Fe||Santa Fe||530,000||19||Formosa||Formosa||258,000|
|10||San Juan||San Juan||513,000||20||San Luis||San Luis||218,000|
In Australia, urban areas are referred to as "urban centres" and are defined as population clusters of 1000 or more people, with a density of at least 200/km2. Australia is one of the most urbanised countries in the world, with more than 50% of the population residing in the 5 biggest cities.
|6||Gold Coast–Tweed Heads||QLD/NSW||614,379||16||Toowoomba||QLD||113,625|
According to IBGE (Brazilian Institute of Geography and Statistics) urban areas already concentrate 84.35% of the population, while the Southeast region remains the most populated one, with over 80 million inhabitants. The largest metropolitan areas in Brazil are São Paulo, Rio de Janeiro, and Belo Horizonte — all in the Southeastern Region — with 20, 12, and 5 million inhabitants respectively. The majority of state capitals are the largest cities in their states, except for Vitória, the capital of Espírito Santo, and Florianópolis, the capital of Santa Catarina. There are also non-capital metropolitan areas in the states of São Paulo (Campinas, Santos and the Paraíba Valley), Minas Gerais (Steel Valley), Rio Grande do Sul (Sinos Valley) and Santa Catarina (Itajaí Valley).
Rio de Janeiro
|1||São Paulo||São Paulo||21,090,792||11||Manaus||Amazonas||2,523,819||
|2||Rio de Janeiro||Rio de Janeiro||12,280,702||12||Paraíba Valley||São Paulo||2,453,387|
|3||Belo Horizonte||Minas Gerais||5,829,923||13||Goiânia||Goiás||2,421,833|
|4||Porto Alegre||Rio Grande do Sul||4,258,926||14||Belém||Pará||2,402,438|
|5||Brasília||Distrito Federal||4,201,737||15||Vitória||Espírito Santo||1,910,101|
|9||Curitiba||Paraná||3,502,804||19||Natal||Rio Grande do Norte||1,504,819|
|10||Campinas||São Paulo||3,094,181||20||Piracicaba||São Paulo||1,412,721|
According to Statistics Canada, an urban area in Canada is an area with a population of at least 1,000 people where the density is no fewer than 400 persons per km2. If two or more urban areas are within 2 km (1.2 mi) of each other by road, they are merged into a single urban area, provided they do not cross census metropolitan area or census agglomeration boundaries.
In the Canada 2011 Census, Statistics Canada redesignated urban areas with the new term "population centre"; the new term was chosen in order to better reflect the fact that urban vs. rural is not a strict division, but rather a continuum within which several distinct settlement patterns may exist. For example, a community may fit a strictly statistical definition of an urban area, but may not be commonly thought of as "urban" because it has a smaller population, or functions socially and economically as a suburb of another urban area rather than as a self-contained urban entity, or is geographically remote from other urban communities. Accordingly, the new definition set out three distinct types of population centres: small (population 1,000 to 29,999), medium (population 30,000 to 99,999) and large (population 100,000 or greater). Despite the change in terminology, however, the demographic definition of a population centre remains unchanged from that of an urban area: a population of at least 1,000 people where the density is no fewer than 400 persons per square km2.
In Colombia the largest Metropolitan area is Bogotá's, which has around 13 million of inhabitants and includes municipalities like Cota, La Calera, Chía, Soacha, Usaquen, Suba among others.., it's the metropolis of Culture, Business and Literature, Bogotá has been the International City of the Book and has places uniques like Monserrate, Torre Colpatria, Bolivar Square, BD Bacatá, Corferias, National University etc.
|3||Cali||Valle del Cauca||2,369,821||13||Pereira||Risaralda||469,612|
|6||Cúcuta||Norte de Santander||650,011||16||Montería||Córdoba||441,301|
|8||Ibagué||Tolima||553,524||18||Buenaventura||Valle del Cauca||399,764|
Since 2000, China's cities have expanded at an average rate of 10% annually. It is estimated that China's urban population will increase by 292 million people by 2050, when its cities will house a combined population of over one billion. The country's urbanization rate increased from 17.4% to 46.6% between 1978 and 2009, a scale unprecedented in human history. Between 150 and 200 million migrant workers work part-time in the major cities, returning home to the countryside periodically with their earnings.
Today, China has dozens of cities with one million or more long-term residents, including the three global cities of Beijing, Hong Kong, and Shanghai; by 2025, the country will be home to 221 cities with over a million inhabitants. The figures in the table below are from the 2008 census, and are only estimates of the urban populations within administrative city limits; a different ranking exists when considering the total municipal populations (which includes suburban and rural populations). The large "floating populations" of migrant workers make conducting censuses in urban areas difficult; the figures below include only long-term residents.
Largest cities or towns in China
Sixth National Population Census of the People's Republic of China (2010)
|9||Hong Kong||Hong Kong||7,055,071||19||Dalian||Liaoning||3,902,500|
Similar to other Nordic countries, an urban area (taajama in Finnish) in Finland must have a building at least every 200 metres (660 ft) and at least 200 people. To be considered a town or a city (kaupunki) for statistical purposes, an urban area must have at least 15,000 people. This is not to be confused with the city / town designation used by municipalities.
In France, an urban area (Fr: aire urbaine) is a zone encompassing an area of built-up growth (called an "urban unit" (unité urbaine) - close in definition to the North American urban area) and its commuter belt (couronne périurbaine). Americans would find the INSEE definition of the urban area to be similar to their metropolitan area, and the INSEE sometimes uses the term aire métropolitaine to refer to the country's largest aires urbaines.
The largest cities in France, in terms of urban area population (2013), are Paris (12,405,426), Lyon (2,237,676), Marseille (1,734,277), Toulouse (1,291,517), Bordeaux (1,178,335), Lille (1,175,828), Nice (1,004,826), Nantes (908,815), Strasbourg (773,447) and Rennes (700,675).
The largest conurbation is the Rhine-Ruhr region (11.7 million in 2008[update]), including Düsseldorf (the capital of North Rhine-Westphalia), Cologne, Bonn, Dortmund, Essen, Duisburg, and Bochum.
|7||Düsseldorf||North Rhine-Westphalia||598,686||17||Wuppertal||North Rhine-Westphalia||343,488|
|8||Dortmund||North Rhine-Westphalia||575,944||18||Bielefeld||North Rhine-Westphalia||328,864|
|9||Essen||North Rhine-Westphalia||569,884||19||Bonn||North Rhine-Westphalia||311,287|
For the Census of India 2011, the definition of urban area is as follows:
- All places with a municipality, corporation, cantonment board or notified town area committee, etc.
- All other places which satisfied the following criteria:
- A minimum population of 5,000;
- At least 75% of the male main working population engaged in non-agricultural pursuits; and
- A density of population of at least 400 persons per sq. km.
Source: A PDF file named '1. Data Highlight' accessed on 11 April 2012 from Census of India, 2011 The figure below is the population statistic for the year 2011. This is a list of city population and it does not indicate urban agglomeration population.
|4||Hyderabad||Telangana||6,809,970||14||Indore||Madhya Pradesh||1,960 521|
|7||Kolkata||West Bengal||4,486,679||17||Visakhapatnam||Andhra Pradesh||1,730,320|
In Japan urbanized areas are defined as contiguous areas of densely inhabited districts (DIDs) using census enumeration districts as units with a density requirement of 4,000 inhabitants per square kilometre (10,000/sq mi).
Special wards of Tokyo
|1||Special wards of Tokyo||Tokyo||8,949,447||11||Hiroshima||Hiroshima||1,174,209||
The Netherlands is the 30th most densely populated country in the world, with 404.6 inhabitants per square kilometre (1,048/sq mi)—or 497 inhabitants per square kilometre (1,287/sq mi) if only the land area is counted. The Randstad is the country's largest conurbation located in the west of the country and contains the four largest cities: Amsterdam in the province North Holland, Rotterdam and The Hague in the province South Holland, and Utrecht in the province Utrecht. The Randstad has a population of 7 million inhabitants and is the 6th largest metropolitan area in Europe.
|3||The Hague||South Holland||515,076||13||Haarlem||North Holland||157,058|
|6||Tilburg||North Brabant||211,726||16||Zaanstad||North Holland||151,495|
Statistics New Zealand defines urban areas in New Zealand, which are independent of any administrative subdivisions and have no legal basis. There are three classes of urban area: main urban areas are the 17 urban areas which have a population of 30,000 or more; secondary urban areas are the 14 urban areas which have a population of 10,000 or more but less than 30,000, and minor urban areas are the 103 urban areas which have a population of 1,000 or more but less than 10,000. Urban areas are reclassified after each Census, so population changes between censuses does not change an urban area's classification. For example, Rolleston (pop. 11,800) is still classified as a minor urban area because its population was under 10,000 at the 2013 Census.
Statistics Norway defines urban areas ("tettsteder") similarly to the other Nordic countries. Unlike in Denmark and Sweden, the distance between each building has to be of less than 50 m, although exceptions are made due to parks, industrial areas, rivers, and similar. Groups of houses less than 400 m from the main body of an urban area are included in the urban area.
With an estimated population of 16.3 million, Metro Manila is the most populous metropolitan area in the Philippines and the 11th in the world. However, the greater urban area is the 5th largest in the world with a population of 20,654,307 people (2010 estimate). Including Metro Manila, the Philippines has twelve metropolitan areas as defined by the National Economic and Development Authority (NEDA). Metro Angeles, Metro Bacolod, Metro Baguio, Metro Batangas, Metro Cagayan de Oro, Metro Cebu, Metro Dagupan, Metro Davao, Metro Iloilo-Guimaras, Metro Naga, Metro Olongapo.
As per Republic Act No. 9009, in order to become a city, a local government unit must :
- locally generated income of at least ₱ 100 million (based on constant prices in the year 2000) for the last two consecutive years, as certified by the Department of Finance, AND
- a population of 150,000 or more, as certified by the National Statistics Office (NSO); OR a contiguous territory of 100 square kilometers, as certified by the Land Management Bureau, with contiguity not being a requisite for areas that are on two or more islands.
In Poland, official "urban" population figures simply refer to those localities which have the status of towns (miasta). The "rural" population is that of all areas outside the boundaries of these towns. This distinction may give a misleading impression in some cases, since some localities with only village status may have acquired larger and denser populations than many smaller towns.
Largest cities or towns in Poland
Central Statistical Office population report for 2015
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In Russia, only the population residing in cities/towns and urban-type settlements is considered to be "urban". The city/town/urban-settlement designation usually means that the majority of the population is employed in areas other than agriculture, but the exact definitions vary from one federal subject to another.
Singapore is an island city-state in Southeast Asia. About 5.2 million people live and work within 700 square kilometres (270 sq mi), making Singapore the 3rd-most-densely populated country in the world after Monaco, another city-state. The Central Area in the south-eastern part of the island forms the dense urban area of the city-state and is surrounded by suburban settlements outside of its limits. These settlements are connected to the Central Area and each other by a dense network of roads, expressways and metro railway lines dubbed MRT by locals. Singapore has a highly centralised, unitary government with a unicameral legislature (the City Council and the Rural Board were abolished in the 1960s). While there are town councils and mayors in Singapore, these are essentially property managers in charge of the maintenance of public housing within their constituency boundaries. They do not represent local authorities with any legislative or executive autonomy from the national government.
Largest planning areas in Singapore
Singapore Department of Statistics population report for 2015
|2||Jurong West||West||272,660||12||Bukit Batok||West||139,270|
|8||Ang Mo Kio||North-East||174,770||18||Kallang||Central||101,210|
|9||Choa Chu Kang||West||174,330||19||Queenstown||Central||98,050|
Largest cities or towns in South Africa
|4||Durban||KwaZulu-Natal||595,061||14||Port Elizabeth||Eastern Cape||312,392|
|5||Tembisa||Gauteng||463,109||15||Mitchells Plain||Western Cape||310,485|
|6||Cape Town||Western Cape||433,688||16||East London||Eastern Cape||267,007|
|8||Umlazi||KwaZulu-Natal||404,811||18||Bloemfontein||Free State (province)||256,185|
|10||Khayelitsha||Western Cape||391,749||20||iBhayi||Eastern Cape||237,799|
The largest cities of South Korea have an autonomous status equivalent to that of provinces. Seoul, the largest city and capital, is classified as a teukbyeolsi (Special City), while the next 6 largest cities (see the list below) are classified as gwangyeoksi (Metropolitan Cities; see Special cities of South Korea). Smaller cities are classified as si ("cities") and are under provincial jurisdiction, at the same level as counties (see Administrative divisions of South Korea).
|9||Changwon||South Gyeongsang||1,069,697||19||Cheonan||South Chungcheong||598,346|
Urban areas in Sweden (tätorter) are statistically defined localities, totally independent of the administrative subdivision of the country. There are 1956 such localities in Sweden, with a population ranging from 200 to 1,372,000 inhabitants.
The figures below are the 2011 estimates for the twenty largest urban populations within administrative city limits; a different ranking exists when considering the total metropolitan area populations (in such rankings the Taipei-Keelung metro area is by far the largest agglomeration).
|1||New Taipei||New Taipei City||3,913,595||
The United Kingdom's Office for National Statistics has produced census results from urban areas since 1951, since 1981 based upon the extent of irreversible urban development indicated on Ordnance Survey maps. The definition is an extent of at least 20 ha and at least 1,500 census residents. Separate areas are linked if less than 200 m (220 yd) apart. Included are transportation features. The UK has five Urban Areas with a population over a million and a further sixty nine with a population over one hundred thousand.
In the United States, there are two categories of urban area. The term urbanized area denotes an urban area of 50,000 or more people. Urban areas under 50,000 people are called urban clusters. Urbanized areas were first delineated in the United States in the 1950 census, while urban clusters were added in the 2000 census. There are 1,371 urban areas and urban clusters with more than 10,000 people.
The U.S. Census Bureau defines an urban area as: "Core census block groups or blocks that have a population density of at least 1,000 people per square mile (386 per square kilometer) and surrounding census blocks that have an overall density of at least 500 people per square mile (193 per square kilometer)."
The largest urban area in the United States is the New York metropolitan area. The population of New York City, the core of the metropolitan area, exceeds 8.5 million people, its metropolitan statistical area has a population that is over 20 million, and its combined statistical area population is over 23 million. The next five largest urban areas in the U.S. are Los Angeles, Chicago, Miami, Philadelphia, and Houston. About 82 percent of the population of the United States lives within the boundaries of an urbanized area as of December, 2010. Combined, these areas occupy about 2 percent of the United States. Many Americans live in agglomerations of cities, suburbs, and towns that are adjacent to a metropolitan area's largest city.
The concept of Urbanized Areas as defined by the U.S. Census Bureau is often used as a more accurate gauge of the size of a city, since in different cities and states the lines between city borders and the urbanized area of that city are often not the same. For example, the city of Greenville, South Carolina has a city population over 60,000 and an urbanized area population of over 400,000, while Greensboro, North Carolina has a city population over 200,000 and an urbanized area population of around 310,000 — meaning that Greenville is actually "larger" for some intents and purposes, but not for others, such as taxation, local elections, etc.
In the U.S. Department of Agriculture's natural resources inventory, urban areas are officially known as developed areas or urban and built-up areas. Such areas include cities, ethnic villages, other built-up areas of more than 10 ac (4 ha), industrial sites, railroad yards, cemeteries, airports, golf courses, shooting ranges, institutional and public administration sites, and similar areas. The 1997 national resources inventory placed over 98,000,000 ac (40,000,000 ha) in this category, an increase of 25,000,000 ac (10,000,000 ha) since 1982.
In Vietnam, there are 6 types of urban areas:
- Special urban area (2 municipalities): Hanoi and Ho Chi Minh City
- Type I urban area (12 provincial cities and 3 municipalities): Thanh Hóa, Hạ Long, Việt Trì, Thái Nguyên, Nam Định, Vũng Tàu, Buôn Ma Thuột, Đà Lạt, Quy Nhơn, Nha Trang, Huế, Vinh, Cần Thơ, Đà Nẵng and Hải Phòng
- Type II urban area (21 provincial cities and 1 district): Đồng Hới, Uông Bí, Bắc Giang, Bắc Ninh, Ninh Bình, Bạc Liêu, Bà Rịa, Thái Bình, Rạch Giá, Cà Mau, Long Xuyên, Mỹ Tho, Phan Rang - Tháp Chàm, Tuy Hòa, Phan Thiết, Pleiku, Thủ Dầu Một, Biên Hòa, Hải Dương, Vĩnh Yên, Lào Cai and Phú Quốc
- Type III urban area (31 provincial cities and 12 towns)
- Type IV urban area (35 towns and 35 townships)
- Type V urban area (586 townships and 54 communes)
Hồ Chí Minh City
|1||Hồ Chí Minh City||Municipalities of Vietnam||8,244,400||
|2||Hà Nội||Municipalities of Vietnam||7,379,300|
|3||Hải Phòng||Municipalities of Vietnam||1,946,000|
|4||Cần Thơ||Municipalities of Vietnam||1,238,300|
|5||Biên Hòa||Đồng Nai||1,104,495|
|6||Đà Nẵng||Municipalities of Vietnam||1,007,700|
|7||Vũng Tàu||Bà Rịa–Vũng Tàu Province||450,000|
|8||Buôn Ma Thuột||Đắk Lắk||420,000|
|9||Nha Trang||Khánh Hòa||393,218|
- Developed environments
- Rapid transit
- Urban biosphere reserve
- Urban climatology
- Urban culture
- Urban decay
- Urban planning
- Urban renewal
- Urban sprawl
- List of metro systems
- List of urban areas by population
- Largest urban areas of the European Union
- List of cities in the People's Republic of China by urban population
- List of United States urban areas
- List of conurbations in the United Kingdom
- List of urban areas in Norway by population
- List of urban areas in the Nordic countries
- List of the 100 largest urban areas in Canada by population
- List of urban areas in Denmark by population
- List of New Zealand urban areas
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For the OS definition of an Urban Area, see the notes tab on the Excel version.
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- World Urban Areas All identified world urbanized areas 500,000+ and others: Population & Density.
- Geopolis: research group, University of Paris-Diderot, France for world urban areas
- Gridded Population of the World – contains links to urban area definitions and maps for over 230 countries/territories
- City Mayors – The World's Largest Urban Areas in 2006
- City Mayors – The World's Largest Urban Areas Projected for 2020
- PopulationData - World's largest urban areas 1,000,000+ population