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82-544: Located on the southern margin of the province, it is adjacent to the south of the city proper in Chenzhou, and near the northern border of Guangdong . The county borders to the north by Zixing City , Suxian and Beihu Districts , to the west by Linwu County , Lianzhou City of Guangdong , to the south and the southeast by Yangshan , Ruyuan Counties and Lechang City of Guangdong and Rucheng County . The county has 14 towns and five townships under its jurisdiction,

164-683: A common backdrop in dystopian science fiction , with examples such as the Sprawl in William Gibson 's Neuromancer , and Mega-City One , a megalopolis of between 50 and 800 million people (fluctuations due to war and disaster) across the east coast of the United States , in the Judge Dredd comic. In Demolition Man a megacity called " San Angeles " was formed from the joining of Los Angeles , Santa Barbara , San Diego and

246-691: A distinctive dialect related to Cantonese called Taishanese (or Toishanese). During the 1850s, the Taiping Heavenly Kingdom , whose leader Hong Xiuquan was born in Guangdong and received a pamphlet from a Protestant Christian missionary in Guangdong, was allied with a local Guangdong Red Turban Rebellion (1854–1856) . Because of direct contact with the West, Guangdong was the centre of anti-Manchu and anti-imperialist activity. The generally acknowledged founder of modern China, Sun Yat-sen ,

328-591: A form of Chinese opera popular in Cantonese speaking areas. Related Yue dialects are spoken in most of the western half of the province. The area comprising the cities of Chaozhou , Shantou and Jieyang in coastal east Guangdong, known as Chaoshan , forms its own cultural sphere. The Teochew people here, along with Hailufeng Min people in Shanwei , speak Hokkien , which is a Min dialect closely related to mainstream Southern Min (Hokkien) and their cuisine

410-426: A given area. But others associate it with decentralization (spread of population without a well-defined center), discontinuity (leapfrog development), segregation of uses, etc. Gentrification and urban gentrification are terms for the socio-cultural changes in an area as a result of wealthier people buying property in a less prosperous community. As living costs rise, lower-income residents are forced to move out of

492-452: A homeless person remain in an emergency homeless shelter it was thought to be better to quickly get the person permanent housing of some sort and the necessary support services to sustain a new home. But there are many complications with this kind of program and these must be dealt with to make such an initiative work successfully in the middle to long term. Traffic congestion is a condition on road networks that occurs as use increases, and

574-526: A merchant vessel's captain murdered a corrupt governor who had used his position to steal from the merchant. Together with Guangxi , Guangdong was made part of Lingnan Circuit (political division Circuit), or Mountain-South Circuit, in 627 during the Tang dynasty . The Guangdong part of Lingnan Circuit was renamed Guangnan East Circuit ( 廣南東路 ) in 971 during the Song dynasty (960–1279). "Guangnan East" ( 廣南東 )

656-442: A result, some critics argue that sprawl has certain disadvantages including longer transport distances to work, high car dependence , inadequate facilities (e.g. health, cultural. etc.) and higher per-person infrastructure costs. Discussions and debates about sprawl are often obfuscated by the ambiguity associated with the phrase. For example, some commentators measure sprawl only with the average number of residential units per acre in

738-532: A wider sense, for the phylogenetically related residents and Chinese dialects outside the provincial capital. The Neolithic era began in the Pearl River Delta ( 珠江三角洲 ) 7,000 years before present (BP), with the early period from around 7000 to 5000 BP (c. 5050–3050 BC), and the late period from about 5000 to 3500 BP (c. 3050–1550 BC). In coastal Guangdong, the Neolithic was likely introduced from

820-738: Is Teochew cuisine . Teochew opera is also well-known and has a unique form. The Hakka people live in large areas of Guangdong, including Huizhou , Meizhou , Shenzhen , Heyuan , Shaoguan and other areas. Much of the Eastern part of Guangdong is populated by the Hakka people except for the Chaozhou and Hailufeng area. Hakka culture include Hakka cuisine , Han opera ( simplified Chinese : 汉剧 ; traditional Chinese : 漢劇 ), Hakka Hanyue and sixian (traditional instrumental music) and Hakka folk songs ( 客家山歌 ). Megacity A megacity

902-550: Is a coastal province in South China , on the north shore of the South China Sea . The provincial capital is Guangzhou . With a population of 126.84   million (as of 2021) across a total area of about 179,800 km (69,400 sq mi), Guangdong is China's most populous province and its 15th-largest by area, as well as the third-most populous country subdivision in the world . Guangdong's economy

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984-876: Is a reference to an order by Emperor Wu of Han to "widely bestow favors and sow trust". Together, Guangdong and Guangxi are called Loeng gwong ( 兩廣 ; 两广 ; liǎng guǎng ) During the Song dynasty, the Two Guangs were formally separated as Guǎngnán Dōnglù ( 廣南東路 ; 广南东路 ; 'East Circuit in Southern Guang';) and Guǎngnán Xīlù ( 廣南西路 ; 广南西路 ; 'West Circuit in Southern Guang'), which became abbreviated as Guǎngdōng Lù ( 廣東路 ; 广东路 ) and Guǎngxī Lù ( 廣西路 ; 广西路 ). "Canton", though etymologically derived from Cantão (the Portuguese transliteration of "Guangdong"), usually by itself refers to

1066-494: Is a very large city , typically with a population of more than 10 million people. The United Nations Department of Economic and Social Affairs (UN DESA) in its 2018 "World Urbanization Prospects" report defines megacities as urban agglomerations with over 10 million inhabitants. A University of Bonn report holds that they are "usually defined as metropolitan areas with a total population of 10 million or more people". Elsewhere in other sources, from five to eight million

1148-636: Is at the border between Hunan and Guangdong. The national highway from Guangzhou to Beijing passes through the middle of the town. A beautiful tourist park is Mangshan Mountain National Forest Park. The 1902-meter peak of Shikengkong ( 石坑崆 ), on the interprovincial border, stands some 50 km south of the county town. Mangshan pitviper and Mangshan horned toad have been described as new species to science from specimens collected from Mangshan (Mount Mang). Guangdong Guangdong , previously romanized as Kwangtung or Canton ,

1230-429: Is characterized by slower speeds, longer trip times, increased pollution, and increased vehicular queueing . The Texas Transportation Institute estimated that, in 2000, the 75 largest metropolitan areas experienced 3.6 billion vehicle-hours of delay, resulting in 5.7 billion U.S. gallons (21.6 billion liters) in wasted fuel and $ 67.5 billion in lost productivity, or about 0.7% of the nation's GDP . It also estimated that

1312-744: Is considered the minimum threshold, along with a population density of at least 2,000 per square kilometre. The terms conurbation , metropolis , and metroplex are also applied to the latter. The total number of megacities in the world varies between different sources and their publication dates. The world had 33 according to UN DESA (in 2018), 25 according to the OCDE, 45 according to CityPopulation.de (in 2023), and 44 according to Demographia (in 2023). A good percentage of these urban agglomerations are in China and India . The other four countries with more than one megacity are Brazil , Japan , Pakistan , and

1394-484: Is geographically separated from the north by a few mountain ranges collectively called the Nan Mountains (Nan Ling). The highest peak in the province is Shikengkong with an elevation of 6,240 feet (1,900 meters) above sea level. Guangdong borders Fujian to the northeast, Jiangxi and Hunan to the north, Guangxi autonomous region to the west, and Hong Kong and Macau Special Administrative Regions to

1476-763: Is governed by a one-party system like the rest of China. The Governor is in charge of provincial affairs; however, the Communist Party Secretary, often from outside of Guangdong, keeps the Governor in check. According to Freedom House 's China Dissent Monitor, Guangdong accounted for 17% of dissent events in the first quarter of 2024 – over 100 events despite heavy Censorship in China . In 2024, Freedom House rated China as below zero on political rights (−2 out of 40). Hong Kong and Macau , while historically parts of Guangdong before becoming colonies of

1558-570: Is larger than all, except California. By PPP terms, as of 2022, Guangdong's economy ranked between Turkey and Italy with a GDP of $ 3.35 trillion and US$ 3.06 trillion respectively, the 11th and 12th largest in the world respectively. After the communist revolution and until the start of the Deng Xiaoping reforms in 1978, Guangdong was an economic backwater, although a large underground, service-based economy has always existed. Economic development policies encouraged industrial development in

1640-696: Is now one of the richest in the nation, with the most billionaires in mainland China, the highest GDP among all the provinces, although wage growth has only recently begun to rise due to a large influx of migrant workers from neighboring provinces. By 2015, the local government of Guangdong hopes that the service industry will account for more than 50 percent of the provinces GDP and high-tech manufacturing another 20 percent. In 2021, Guangdong's primary, secondary, and tertiary industries were worth 534 billion RMB (US$ 79.4 billion), 5.28 trillion RMB (US$ 785.6 billion), and 7.09 trillion RMB (US$ 1.05 trillion), respectively. Guangdong contributes approximately 10.6% of

1722-419: Is now the province with the highest gross domestic product in China. In 1952, a small section of Guangdong's coastline ( Qinzhou , Lianzhou (now Hepu County ), Fangchenggang and Beihai ) was given to Guangxi, giving it access to the sea. This was reversed in 1955, and then restored in 1965. Hainan Island was originally part of Guangdong, but it was separated into its own province in 1988. Guangdong faces

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1804-400: Is populated predominantly by Yue Chinese speakers, though the influx in the last three decades of millions of Mandarin -speaking immigrants has slightly diminished Cantonese linguistic dominance. This region is associated with Cantonese cuisine . Dim Sum is one famous example of Cantonese cuisine, dividing Cantonese food into small portions and served with small dishes. Cantonese opera is

1886-518: Is the largest of any provincial-level division in China, with a GDP of 13.57 trillion RMB ($ 1.9 trillion in GDP nominal) in 2023, contributing approximately 10.6% of mainland China's economic output. It has a diversified economy, and was known as the starting point of ancient China's Maritime Silk Road . It is home to the production facilities and offices of a wide-ranging set of Chinese and foreign corporations. Guangdong has benefited from its proximity to

1968-509: Is the source of the name "Guangdong" ( 廣東 ; 广东 ). As time passed, the demographics of what is now Guangdong gradually shifted to ( Han ) Chinese dominance as the populations intermingled due to commerce along the great canals. From the fall of the Han dynasty onwards, it shifted more abruptly through massive migration from the north during periods of political turmoil and nomadic incursions. For example, internal strife in northern China following

2050-584: The Cantonese , Hakka , Teochew dialects have proportionately more speakers among overseas Chinese people than Mandarin-speaking Chinese. Additionally, many Taishanese-speaking Chinese emigrated to Western countries, with the results that many Western versions of Chinese words were derived from the Cantonese dialects rather than through the mainstream Mandarin language, such as " dim sum ". Some Mandarin Chinese words originally of foreign origin also came from

2132-615: The Chinese in Singapore and Malaysia , with the vast majority of the Chinese diaspora in the two countries claiming ancestry from Guangdong. Guangdong is also one of the leading provinces in research and education in China. It hosts 160 institutions of higher education , ranking first in the South Central China region and second among all Chinese provinces/municipalities, after Jiangsu . As of 2023, two major cities in

2214-658: The Nationalist government 's final footholds in Mainland China , with Guangzhou temporarily serving as the Kuomintang 's provisional capitol. The People's Liberation Army seized control of the province after the retreat of the government of the Republic of China to Taiwan . The new Chinese Communist Party administration issued harsh taxes, requisitioning between 22 and 60 percent of grain annually. However,

2296-687: The Qin dynasty . Under the Qin Dynasty, Chinese administration began and along with it reliable historical records in the region. After establishing the first unified Chinese empire , the Qin expanded southwards and set up Nanhai Commandery at Panyu , near what is now part of Guangzhou. The region was an independent kingdom as Nanyue between the fall of Qin and the reign of Emperor Wu of Han . The Han dynasty administered Guangdong, Guangxi, and northern Vietnam as Jiaozhi Province ; southernmost Jiaozhi Province

2378-778: The South China Sea is part of Cijin District , Kaohsiung , Taiwan (ROC); the island was part of Guangdong Province before the Chinese Civil War . After the unification of Lingnan region during the Qin dynasty , immigrants from the Central Plains moved in and formed a local culture with a unique style. With the outward movement of the Guangdong people , the Hakka and Cantonese languages , music , cuisine , opera and tea ceremony have spread throughout

2460-480: The South China Sea to the south and has a total of 4,300 km (2,700 mi) of coastline. The Leizhou Peninsula is on the southwestern end of the province. There are a few inactive volcanoes on Leizhou Peninsula. The Pearl River Delta is the convergent point of three upstream rivers: the East River , North River , and West River . The river delta is filled with hundreds of small islands. The province

2542-597: The Straits of Malacca and the South China Sea , particularly the Portuguese and British, traded extensively through Guangzhou. Macau , on the southern coast of Guangdong, was the first European settlement in 1557. In the 19th century, the opium traded through Guangzhou triggered the First Opium War , opening an era of Western imperialists' incursion and intervention in China. In addition to Macau , which

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2624-687: The Teochew people in Chaoshan and the Hakka people in Huizhou , Meizhou , Heyuan , Shaoguan and Zhanjiang . Shaozhou Tuhua is spoken in Shaoguan and Leizhou Min is spoken in the Leizhou Peninsula. There is a small Yao population in the north. Other smaller minority groups include She , Miao , Li , and Zhuang . Guangdong has a highly unbalanced gender ratio that is among

2706-816: The United States . African megacities are present in Nigeria , Egypt , South Africa , Angola and the DRC ; European megacities are present in Russia , France , the United Kingdom , and Turkey (also in Asia ); megacities can be found in Latin America in the countries of Brazil, Mexico , Colombia , Peru , and Argentina . Some sources identify the Greater Tokyo Area as the largest megacity in

2788-453: The atmosphere of chemicals , particulate matter , or biological materials that cause harm or discomfort to humans or other living organisms, or damages the natural environment . Many urban areas have significant problems with smog , a type of air pollution derived from vehicle emissions from internal combustion engines and industrial fumes that react in the atmosphere with sunlight to form secondary pollutants that also combine with

2870-641: The county seat is Yuxi Town ( 玉溪镇 ). In early 1928 Zhu De 's troops, survivors of the Nanchang Uprising , Little Long March and Battle of Shantou , found refuge here with the local warlord. Chen Yi was with him; neither dared reveal his identity at the time. It was from here that a rested and bolstered communist column marched to the Jinggangshan Mountains in April to join the hold-outs from another uprising . The county town

2952-564: The "floating population", is due to Guangdong's booming economy and high demand for labor. If Guangdong were an independent nation, it would rank among the twelfth largest countries of the world by population . In 2021, Guangdong's population is 74.6% urban and 25.4% rural. Guangdong is the ancestral home of large numbers of overseas Chinese . Most of the railroad laborers in Canada , the Western United States and Panama in

3034-548: The 19th century came from Guangdong, especially the Siyi area. Many people from the region also traveled to California and other parts of the United States during the gold rush of 1849 , and also to Australia during its gold rush a decade or so later. The majority of the province's population is Han Chinese . Within the Han Chinese, the largest subgroup in Guangdong are the Cantonese people . Two other major groups are

3116-630: The Southern Song court by Mongol naval forces in The Battle of Yamen 1279 in Guangdong marked the end of the Southern Song dynasty (960–1279). During the Mongol Yuan dynasty , large parts of current Guangdong belonged to Jiangxi . Its present name, "Guangdong Province" was given in early Ming dynasty . Since the 16th century, Guangdong has had extensive trade links with the rest of the world. European merchants coming northwards via

3198-600: The United Kingdom and Portugal, respectively, are special administrative regions (SARs). Furthermore, the Basic Laws of both SARs explicitly forbid provincial governments from intervening in local politics. As a result, many issues with Hong Kong and Macau, such as border policy and water rights, have been settled by negotiations between the SARs' governments and the Guangdong provincial government . Guangdong and

3280-492: The absolute number of slum dwellers is rising. The majority of these are located in informal settlements which often lack sufficient quality housing, sanitation, drainage, water access, and officially recognized addresses. The increase in informal settlement population has been caused by massive migration, both internal and transnational, into cities, which has caused growth rates of urban populations and spatial concentrations not seen before in history. These issues raise problems in

3362-526: The annual cost of congestion for each driver was approximately $ 1,000 in very large cities and $ 200 in small cities. Traffic congestion is increasing in major cities and delays are becoming more frequent in smaller cities and rural areas. Urban sprawl , also known as suburban sprawl, is a multifaceted concept, which includes the spreading outwards of a city and its suburbs to its outskirts to low-density, auto-dependent development on rural land, with associated design features that encourage car dependency . As

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3444-632: The census in the year 742 recorded in the New Book of Tang , 362,921 families with 1,960,188 persons were counted in Jingzhao Fu (京兆府), the metropolitan area including small cities in the vicinity of Chang'an. The medieval settlement surrounding Angkor , the one-time capital of the Khmer Empire which flourished between the 9th and 15th centuries, could have supported a population of up to one million people. From around 1825 to 1918 London

3526-419: The community leading to an increase in average income, which in turn makes the area more desirable to other wealthier property or business owners, further pushing the living costs up. This process also tends to lead to a decrease in average family size in the area. This type of population change reduces industrial land use when it is redeveloped for commerce and housing. Air pollution is the introduction into

3608-425: The early 1990s and has since spread to neighboring provinces, and also pulled their populations inward. The economic growth of Guangdong province owes much to the low-value-added manufacturing which characterized (and in many ways still defines) the province's economy following Deng Xiaoping 's reforms. Guangdong is not only China's largest exporter of goods, it is the country's largest importer as well. The province

3690-551: The financial hub of Hong Kong , which it borders to the south. Guangdong also hosts the largest import and export fair in China, the Canton Fair , in Guangzhou. The Pearl River Delta Economic Zone , a Chinese megalopolis , is a core for high technology , manufacturing and foreign trade . In this zone are two of the four top Chinese cities and the top two Chinese prefecture-level cities by GDP : Guangzhou and Shenzhen ,

3772-550: The first special economic zone in the country. These two are among China's most populous and important cities, and have become two of the world's most populous megacities and leading financial centres in the Asia-Pacific region. Guangdong surpassed Henan and Shandong to become China's most populous province in January 2005, registering 79.1 million permanent residents and 31 million migrants who lived in

3854-596: The government to Ravenna and Rome's population declined to a mere 20,000 during the Early Middle Ages , reducing the sprawling city to groups of inhabited buildings interspersed among large areas of ruins and vegetation. Baghdad was likely the largest city in the world from shortly after its foundation in 762 AD until the 930s, with some estimates putting its population at over one million. Chinese capital cities Chang'an and Kaifeng also experienced huge population booms during prosperous empires. According to

3936-473: The greater Guangzhou area are served by several Radio Guangdong stations, Guangdong Television , Southern Television Guangdong , Shenzhen Television , and Guangzhou Television . There is an English programme produced by Radio Guangdong which broadcasts information about this region to the entire world through the WRN Broadcast . The central region, which is also the political and economic center,

4018-408: The high (75–85%) urbanization levels of North America and Western Europe . Since the 2000s, the largest megacity has been the Greater Tokyo Area . The population of this urban agglomeration includes areas such as Yokohama and Kawasaki , and is estimated to be between 37 and 38 million. This variation in estimates can be accounted for by different definitions of what the area encompasses. While

4100-522: The highest of all provinces in China. According to a 2009 study published in The British Medical Journal , in the 1–4 age group, there are over 130 boys for every 100 girls. Religion in Guangdong (2012) According to a 2012 survey only around 7% of the population of Guangdong belongs to organised religions, the largest groups being Buddhists with 6.2%, followed by Protestants with 1.8% and Catholics with 1.2%. Around 90% of

4182-495: The humidity makes it feel hotter in summer. Frost is rare on the coast but may happen a few days each winter. In 2022, Guangdong's GDP was 13.57 trillion RMB ($ 1.9 trillion in GDP nominal, $ 3.78 trillion in PPP ), with a per capita GDP of CN¥102,465 ( US$ 15,234 in nominal or US$ 25,016 in PPP ). It is the richest province in South Central China region and the seventh richest among all provinces by GDP per capita. Guangdong has been

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4264-402: The interior provinces which were weakly joined to Guangdong via transportation links . The government policy of economic autarky made Guangdong's access to the ocean irrelevant. Deng Xiaoping's open door policy radically changed the economy of the province as it was able to take advantage of its access to the ocean, proximity to Hong Kong, and historical links to overseas Chinese . Guangdong

4346-612: The largest province by GDP since 1989 in Mainland China . Its GDP exceeded that of Australia ($ 1.70 trillion) and South Korea ($ 1.67 trillion), the world's 12th and 13th largest economy , respectively. If it was a country, Guangdong would be the 12th-largest economy as of 2022 and the 11th most populous . Compared to country subdivisions in dollar terms, Guangdong's GDP in nominal is larger than all but four country subdivisions : California , Texas , New York State , and England . Compared to country subdivisions in PPP terms, Guangdong's GDP

4428-447: The least-urbanized continents, Asia and Africa . Surveys and projections indicate that all urban growth over the next 25 years will be in developing countries . One billion people, almost one-seventh of the world's population, now live in shanty towns . In many poor countries, overcrowded slums exhibit high rates of disease due to unsanitary conditions, malnutrition, and lack of basic health care. By 2030, over 2 billion people in

4510-426: The local party boss Fang Fang tried to moderate Chinese land reform policy in order to protect successful businesses in the Pearl River Delta , landholdings by overseas Chinese seeking to eventually return to the country, and commercial relations with British Hong Kong . In response Mao Zedong purged Fang and thousands of cadres from the province in 1952, sending Tao Zhu to implement a much harsher program under

4592-567: The mid 1970s the term was coined by urbanist Janice Perlman referring to the phenomenon of very large urban agglomerations. In 1800, only 3% of the world's population lived in cities, a figure that rose to 47% by the end of the twentieth century. In 1950, there were 83 cities with populations exceeding one million; by 2007, this number had risen to 468. The UN forecasts that today's urban population of 3.2 billion will rise to nearly 5 billion by 2030, when three out of five, or 60%, of people will live in cities. This increase will be most dramatic on

4674-536: The middle Yangtze River area (Jiao 2013). In inland Guangdong, the neolithic appeared in Guangdong 4,600 years before present (BP). The Neolithic in northern inland Guangdong is represented by the Shixia culture ( 石峽文化 ), which occurred from 4600 to 4200 BP (c. 2650–2250 BC). Originally inhabited by a mixture of tribal groups known to the Chinese as the Baiyue ("Hundred Yue"), the region first became part of China during

4756-468: The nation, Southeast Asia , and other countries. Guangdong was also the birthplace of the father of modern China and the founder of the Republic of China, Sun Yat-sen . He declared a military government there in the Warlord Era . The two special administrative regions of Hong Kong and Macau fall within the scope of Guangdong's cultural influence, and its culture still has profound influences on

4838-605: The original foreign language by way of Cantonese. For example, the Mandarin word níngméng ( simplified Chinese : 柠檬 ; traditional Chinese : 檸檬 ), meaning "Lemon", came from Cantonese, in which the characters are pronounced as lìng mung . In the United States, there is a large number of Chinese who are descendants of immigrants from the county-level city of Taishan (Toisan in Cantonese), who speak

4920-630: The period of the Republic and later of the Empire , Rome was the largest , wealthiest, and most politically important city of the ancient world, rulling over Europe, Western Asia and Northern Africa. It is often stated that its population passed one million people by the end of the 1st century BC, however, its sometimes debated about whether the population actually reached such a large size. Rome's population started declining in 402 AD when Flavius Honorius , Western Roman Emperor from 395 to 423, moved

5002-602: The political, social, and economic arenas. People who live in slums or informal settlements often have minimal or no access to education, healthcare, or the urban economy. As with any large concentration of people, there is usually crime. High population densities often result in higher crime rates, as visibly seen in growing megacities such as Karachi , Delhi , Cairo , Rio de Janeiro , and Lagos . Megacities often have significant numbers of homeless people. The actual legal definition of homelessness varies from country to country, or among different entities or institutions in

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5084-478: The population is either irreligious or may be involved in Chinese folk religion worshipping nature gods, ancestral deities , popular sects , Taoist traditions , Buddhist religious traditions & Confucian religious traditions . According to a survey conducted in 2007, 43.71% of the population believes and is involved in ancestor veneration , the traditional Chinese religion of the lineages organised into lineage churches and ancestral shrines . Guangdong

5166-600: The populations. Another list defines megacities as urban agglomerations instead of metropolitan areas. As of 2021, there are 28 megacities by this definition, like Tokyo. Other sources list Nagoya and the Rhein-Ruhr as megacities. According to the United Nations, the proportion of urban dwellers living in slums or informal settlements decreased from 47 percent to 37 percent in the developing world between 1990 and 2005. However, due to rising population,

5248-408: The prefectures of Tokyo , Chiba , Kanagawa , and Saitama are commonly included in statistical information, the Japan Statistics Bureau only includes the area within 50 kilometers of the Tokyo Metropolitan Government Offices in Shinjuku , thus arriving at a smaller population estimate. A characteristic issue of megacities is the difficulty in defining their outer limits and accurately estimating

5330-583: The primary emissions to form photochemical smog . The sheer size and complexity of megacities gives rise to enormous social and environmental challenges. Whether megacities can develop sustainably depends to a large extent on how they obtain, share, and manage their energy and material resources. There are correlations between electricity consumption , heating and industrial fuel use, ground transportation energy use, water consumption , waste generation , and steel production in terms of level of consumption and how efficiently they use resources. Megacities are

5412-425: The province for at least six months of the year; the total population was 126,012,510 in the 2020 Chinese census , accounting for 8.93 percent of mainland China 's population. This makes it the most populous first-level administrative subdivision of any country outside South Asia . The vast majority of the historical Guangdong Province is administered by the People's Republic of China (PRC). Pratas Island in

5494-415: The province include Chaozhou , Chenghai , Nanhai , Shantou , Shaoguan , Zhanjiang , Zhaoqing , Yangjiang , and Yunfu . Guangdong has a humid subtropical climate ( Köppen Cfa inland, Cwa along the coast). Winters are short, mild, and relatively dry, while summers are long, hot, and very wet. Average daily highs in Guangzhou in January and July are 18 and 33 °C (64 and 91 °F), although

5576-445: The province ranked in the world's top 20 cities (Guangzhou 8th and Shenzhen 19th) by scientific research output. " Guǎng " ( traditional Chinese : 廣 ; simplified Chinese : 广 ) means "wide" or "vast", and has been associated with the region since the creation of Guang Prefecture in AD 226. The name " Guang " ultimately came from Guangxin ( 廣信 ; 广信 ), an outpost established in Han dynasty near modern Wuzhou , whose name

5658-458: The provincial capital Guangzhou . Historically, Canton was also used for the province itself, but often either specified as a province (e.g. Canton Province), or written as Kwangtung in the Wade–Giles system and now most commonly as Guangdong in Pinyin . The local people of the city of Guangzhou (Canton) and their language are called Cantonese in English. Because of the prestige of Canton and its accent, Cantonese can also be used, in

5740-425: The rebellion of An Lushan resulted in a 75% increase in the population of Guangzhou prefecture between the 740s–750s and 800s–810s. As more migrants arrived, the local population was gradually assimilated to Han Chinese culture or displaced. As Mongols from the north engaged in their conquest of China in the 13th century, the Southern Song court fled southwards from its capital in Hangzhou . The defeat of

5822-426: The same country or region. In 2002, research showed that children and families were the largest growing segment of the homeless population in the United States, and this has presented new challenges, especially in services, to agencies. In the US, the government asked many major cities to come up with a ten-year plan to end homelessness. One of the results of this was a " Housing first " solution, rather than to have

5904-451: The slogan "Every Village Bleeds, Every Household Fights." During Reform and Opening Up , Guangdong was supported by the central government to be "one step ahead" of the rest of the country. Most major cities in Guangdong underwent liberalizing economic reforms in the mid-1980s. Since Reform and Opening Up, the province has seen extremely rapid economic growth, aided in part by its close trading links with Hong Kong , which borders it. It

5986-556: The south. Hainan is offshore across from the Leizhou Peninsula . Pratas Island , which were traditionally governed as part of Guangdong, are part of Cijin District , Kaoshiung , Taiwan (ROC). The PRC continues to claim Pratas Island as part of Guangdong under the district of Chengqu, Shanwei . Cities around the Pearl River Delta include Dongguan , Foshan , Guangzhou , Huizhou , Jiangmen , Shenzhen , Shunde , Taishan , Zhongshan , and Zhuhai . Other cities in

6068-437: The thriving town each erecting their own houses of worship. A foreign quarter sprang up along the river where many traders of diverse backgrounds including Arabs and Singhalese took up residence. The port's importance declined after it was raided by Arabs and Persians in 758 and the foreign residents were at times troubled by the corrupt local officials, sometimes responding violently. During one incident in 684, for example,

6150-599: The total national economic output. Now, it has three of the six Special Economic Zones : Shenzhen , Shantou and Zhuhai . The affluence of Guangdong, however, remains very concentrated near the Pearl River Delta . Guangdong officially became the most populous province in 2005. Official statistics had traditionally placed Guangdong as the fourth-most populous province of China with about 80 million people, though an influx of migrants, temporary workers, and newly settled individuals numbered around 30 million. The massive influx of migrants from other provinces, dubbed

6232-674: The world will be living in slums . Over 90% of the urban population of Ethiopia , Malawi and Uganda , three of the world's most rural countries, already live in slums. By 2025, Asia alone will have at least 30 megacities, including Mumbai , India (2015 population of 20.75 million people), Shanghai , China (2015 population of 35.5 million people), Delhi , India (2015 population of 21.8 million people), Tokyo , Japan (2015 population of 38.8 million people) and Seoul , South Korea (2015 population of 25.6 million people). In Africa, Lagos , Nigeria has grown from 300,000 in 1950 to an estimated 21 million today. For almost five hundred years, during

6314-524: The world, while some others give the title to the Pearl River Delta in China. The term "megacity" entered common use in the late 19th or early 20th centuries; one of the earliest documented uses of the term was by the University of Texas in 1904. Initially the United Nations used the term to describe cities of 8 million or more inhabitants, but now uses the threshold of 10 million. In

6396-569: Was also from Guangdong. During the early 1920s of the Republic of China , Guangdong was the staging area for the Kuomintang (KMT) to prepare for the Northern Expedition , an effort to bring the various warlords of China back under a unified central government. The Whampoa Military Academy was built near Guangzhou to train military commanders. At the end of the Chinese Civil War Guangdong became one of

6478-400: Was one of the first provinces to receive permission from the central government to receive foreign investment. In addition, until the 1990s when the Chinese taxation system was reformed, the province benefited from the relatively low rate of taxation placed on it by the central government due to its post-Liberation status of being economically backward. Guangdong's economic boom began with

6560-421: Was the largest city in the world, with the population growing rapidly; it was the first city to reach a population of over 5 million in 1900. In 1950, New York City was the only urban area with a population of over 10 million. Geographers had identified 25 such areas as of October 2005, as compared with 19 megacities in 2004 and only nine in 1985. This increase has happened as the world's population moves towards

6642-629: Was then a Portuguese colony , Hong Kong was ceded to the British, and Kouang-Tchéou-Wan (modern day area of Zhanjiang ) to the French . Due to the large number of people that emigrated out of the Guangdong province, and in particular the ease of immigration from Hong Kong to other parts of the British Empire (later British Commonwealth ), many overseas Chinese communities have their origins in Guangdong and/or Cantonese culture. In particular,

6724-926: Was used as a gateway for traders from the west—as far away as the Roman Empire. Under the Wu Kingdom of the Three Kingdoms period, Guangdong was made its own province, the Guang Province, in 226 CE. Canton was a prosperous port city along a tropical frontier region beset by disease and wild animals, but rich in oranges, banyan , bananas, and lychee fruits. They traded slaves, silk and chinaware with Persians , Brahmans and Malays in exchange for their renowned medicines and fragrant tropical woods. Shi'a Muslims who had fled persecution in Khorasan and Buddhists from India lived side by side in

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