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Jiangsu is a coastal province in East China. It is one of the leading provinces in finance, education, technology, and tourism, with its capital in Nanjing. Jiangsu is the third smallest, but the fifth most populous, with a population of 84.75 million, and the most densely populated of the 22 provinces of the People's Republic of China. Jiangsu has the highest GDP per capita and second-highest GDP of Chinese provinces, after Guangdong. Jiangsu borders Shandong in the north, Anhui to the west, and Zhejiang and Shanghai to the south. Jiangsu has a coastline of over along the Yellow Sea, and the Yangtze flows through the southern part of the province.
Since the Sui dynasty and Tang dynasty dynasties, Jiangsu has been a national economic and commercial center, partly due to the construction of the Grand Canal. Cities such as Nanjing, Suzhou, Wuxi, Changzhou, and Shanghai (separated from Jiangsu in 1927) are all major Chinese economic hubs. Since the initiation of economic reforms in 1990, Jiangsu has become a focal point for economic development. It is widely regarded as one of China's most developed provinces, when measured by its Human Development Index (HDI). Its 2021 nominal GDP per capita reached CN¥137,300 (US$21,287), becoming the first province in China to reach the $20,000 mark.
Jiangsu is home to many of the world's leading exporters of electronic equipment, chemicals and textiles. It has also been China's largest recipient of foreign direct investment since 2006. In 2022, its GDP was more than 12.29 trillion (US$1.83 trillion nominal), which is the sixth-highest of all administrative divisions. If it were a country, it would be the twelfth-largest economy as of 2022 as well as the 19th most populous.
Jiangsu is also one of the leading provinces in research and education in China. As of 2022, Jiangsu hosts 168 institutions of higher education, ranking first of all Chinese provinces. Jiangsu has many highly ranked educational institutions, with 16 number of universities listed in the Double First-Class Construction, ranking second after Beijing. As of 2023, four major cities in Jiangsu ranked in the world's top 200 (Nanjing 6th, Suzhou 40th, Zhenjiang 166th and Wuxi 188th) cities by scientific research output, as tracked by the Nature Index.
Under the reign of the Han dynasty (206 BC to 220 AD), Jiangsu was removed from the centers of civilization in the North China Plain, and was administered under two zhou (provinces): Xu Province in the north, and Yang Province in the south. During the Three Kingdoms period, southern Jiangsu became the base of the Eastern Wu (222 to 280), whose capital, Jiankang (later renamed to Jiankang), is modern Nanjing. When nomadic invasions overran northern China in the 4th century, the imperial court of the Jin dynasty moved to Jiankang. Cities in southern and central Jiangsu swelled with the influx of migrants from the north. Jiankang remained as the capital for four successive Southern dynasties and became the largest commercial and cultural center in China.
After the Sui dynasty united the country in 581, the political center of the country shifted back to the north, but the Grand Canal was built through Jiangsu to link the Central Plains with the prosperous Yangtze Delta. The Tang dynasty (618–907) relied on southern Jiangsu for annual deliveries of grain. It was during the Song dynasty (960–1279), which saw the development of a wealthy mercantile class and emergent market economy in China, that Jiangnan (southern Jiangsu, Shanghai, and adjacent areas) emerged as a center of trade. From then onwards, major cities like Suzhou or Yangzhou, would be synonymous with opulence and luxury in China. Today the region remains one of the richest parts of China.
The Jurchen Jin dynasty gained control of North China in 1127 during the Jin-Song wars, and Huai River, which used to cut through north Jiangsu to reach the Yellow Sea, was the border between the north, under the Jin, and the south, under the Southern Song dynasty. The Mongols took control of China in the thirteenth century. The Ming dynasty, which was established in 1368 after driving out the Mongols who had occupied China, initially put its capital in Nanjing. Regions surrounding Nanjing, corresponding to Jiangsu and Anhui today, were designated as Nanzhili province (literally "southern directly governed"). Following a coup by Zhu Di (later, the Yongle Emperor), however, the capital was moved to Beijing, far to the north, although Nanjing kept its status as the southern capital. In late Ming, Jiangnan continued to be an important center of trade in China; some historians see in the flourishing textiles industry at the time incipient industrialization and capitalism, a trend that was however aborted.
The Qing dynasty converted Nanzhili to "Jiangnan province"; in 1666 Jiangsu and Anhui were split apart as separate provinces. Jiangsu's borders have been for the most part stable since then.
With the start of Western incursion into China in the 1840s, the rich and mercantile Yangtze Delta was increasingly exposed to Western influence; Shanghai, originally an unremarkable little town of Jiangsu, quickly developed into a metropolis of trade, banking, and cosmopolitanism, and was split out later as an independent municipality. Jiangnan also figures strongly in the Taiping Rebellion (18511864), a massive and deadly rebellion that attempted to set up a Christianity theocracy in China; it started far to the south, in Guangdong province, swept through much of South China, and by 1853, had established Nanjing as its capital, renamed as Tianjing (天京 "Heavenly Capital").
The Republic of China was established in 1912, and China was soon torn apart by warlords. Jiangsu changed hands several times, but in April 1927, Chiang Kai-shek established a government at Nanjing; he was soon able to bring most of China under his control. This was however interrupted by the second Sino-Japanese War, which began full-scale in 1937; on December 13, 1937, Nanjing fell, and the combined atrocities of the occupying Japanese for the next three months would come to be known as the Rape of Nanjing, after which it became the seat of the collaborationist government of East China under Wang Jingwei, and most of Jiangsu remained under Japanese occupation until the end of the war in 1945.
After the war, Nanjing was once again the capital of the Republic of China, though now the Chinese Civil War had broken out between the Kuomintang government and Communist forces, based further north, mostly in Northeast China. The decisive Huaihai Campaign was fought in northern Jiangsu; it resulted in Kuomintang defeat, and the communists were soon able to cross the Yangtze River and take Nanjing. The Kuomintang fled southward and eventually ended up in Taipei, from which the Republic of China government continues to administer Taiwan, Penghu, and its neighboring islands, though it also continues to claim (technically, at least) Nanjing as its rightful de jure capital.
After the communist takeover, Beijing (formerly Peiping) was made capital of the People's Republic, and Nanjing was demoted to be the provincial capital of Jiangsu. The economic reforms of Deng Xiaoping initially focused on the south coast of China, in Guangdong province, which soon left Jiangsu behind; starting from the 1990s they were applied more evenly to the rest of China. Suzhou and Wuxi, two southern cities of Jiangsu in close proximity to neighboring Shanghai, have since become particularly prosperous, being among the top 10 cities in China in terms of gross domestic product and outstripping the provincial capital of Nanjing. The income disparity between northern and southern Jiangsu however remains large.
Before 1194 A.D., the Huai River cut through north Jiangsu to reach the Yellow Sea. The Huai River is a major river in central China, and it was the traditional border between North China and South China. Since 1194 A.D., the Yellow River further to the north changed its course several times, running into the Huai River in north Jiangsu each time instead of its other usual path northwards into Bohai Bay. The silting caused by the Yellow River was so heavy that after its last episode of "hijacking" the Huai River ended in 1855: the Huai River was no longer able to go through its usual path into the sea. Instead it flooded, pooled up (thereby forming and enlarging Lake Hongze and Lake Gaoyou), and flowed southwards through the Grand Canal into the Yangtze River. The old path of the Huai River is now marked by a series of irrigation channels, the most significant of which is the North Jiangsu Main Irrigation Canal (first=t), which channels a small amount of the water of the Huai River alongside south of its old path into the sea.
Most of Jiangsu has a humid subtropical climate ( Cfa or Cwa in the Köppen climate classification), beginning to transition into a humid continental climate (Köppen Dwa) in the far north. Seasonal changes are clear-cut, with temperatures at an average of in January and in July. Rain falls frequently between spring and summer ( meiyu), with occur in late summer and early autumn. As with the rest of the coast, tornados are possible. The annual average rainfall is , concentrated mostly in summer during the southeast monsoon.
Specifically, a ranking on climate change risk of global regions released in early 2023 by The Cross Dependency Initiative (XDI) puts Jiangsu as the most vulnerable of the entire world. Jiangsu is at more risk due to its extensive industrial, trade, residential, and commercial development.
In response to climate disturbance across the country, the fourteenth five-year plan, endorsed by the National People's Congress in 2021, indicates the general direction and various steps towards a low-carbon transition. On a provincial level, the Jiangsu government aims to achieve an 18% carbon dioxide decrease per unit GDP and accelerate the development of a green, low-carbon economy, as indicated in the 14th five-year development. The province also plans to recover the damaged coastal regions such as Lianyungang and Yancheng, and improve resilience against rising sea level by implementing and river .
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These prefecture-level cities are in turn subdivided into 95 county-level divisions (55 districts, 21 county-level cities, and 19 counties). Those are in turn divided into 1,237 township-level divisions (699 towns, 19 townships, and 519 subdistricts). At the end of the year 2021, the total population was 85.05 million.
| 9,314,685 |
| 12,748,262 |
| 7,462,135 |
| 5,278,121 |
| 9,083,790 |
| 7,726,635 |
| 4,559,797 |
| 6,709,629 |
| 4,556,230 |
| 4,599,360 |
| 4,512,762 |
| 3,210,418 |
| 4,986,192 |
The Governor of Jiangsu is the highest-ranking official in the People's Government of Jiangsu. However, in the province's dual party-government governing system, the Governor has less power than the Jiangsu Chinese Communist Party Provincial Committee Secretary, colloquially termed the "Jiangsu CCP Party Chief".
Jiangsu is very wealthy among the provinces of China. Its 2022 nominal GDP per capita reached ¥144,390 (US$21,467), becoming the first province in China to reach the $20,000 mark. Cities like Nanjing, Suzhou, and Wuxi have GDPs per capita around twice the provincial average, making south Jiangsu one of the most prosperous regions in China.
The province has an extensive irrigation system supporting its agriculture, which is based primarily on rice and wheat, followed by maize and sorghum. Main include cotton, , , rapeseed, sesame, hemp, and tea. Other products include peppermint, spearmint, bamboo, medicinal herbs, , , , , ginkgo. form an important part of Jiangsu's agriculture, with the Lake Tai region to the south a major base of silk production in China. Jiangsu is an important producer of freshwater fish and other aquatic products.
Jiangsu has coal, petroleum, and natural gas deposits, but its most significant mineral products are non-metal minerals such as halite (rock salt), sulfur, phosphorus, and marble. The city of Xuzhou is a coal hub of China. The salt mines of Huaiyin have more than 0.4 trillion of deposits, one of the greatest collections of deposits in China.
Jiangsu is historically oriented toward light industries such as textiles and food industry. Since 1949, Jiangsu has developed heavy industries such as chemical industry and construction materials. Jiangsu's important industries include machinery, electronic, chemicals, and automobile. The government has worked hard to promote the solar industry and hoped by 2012 the solar industry would be worth 100 billion RMB.The Jiangsu's economy growth has directly benefited from the reform Chinese's policies, and its growth trajectory reflects that of many other coastal provinces, such as Zhejiang and Shandong. The economic reforms of Deng Xiaoping have greatly benefited southern cities, especially Suzhou and Wuxi, which outstrip the provincial capital, Nanjing, in total output. In the eastern outskirts of Suzhou, Singapore has built the Suzhou Industrial Park, a flagship of Sino- cooperation and the only industrial park in China that is in its entirety the investment of a single foreign country.
Jiangsu contains over 100 different economic and technological development zones devoted to different types of investments.
In 2010, there were 130,757 Muslims in Jiangsu.
| Altar of the Three Pure Ones at the Temple of Zhenwu in Yangzhou. File:Wuxi Xiangfu Temple.jpg | Xiangfu Buddhist Temple in Wuxi. File:Tianfei Gong - main courtyard - P1070390.JPG | Main courtyard of the Temple of Tianfei in Nanjing. |
Xuzhou Guanyin International Airport, Yancheng Nanyang International Airport, and Lianyungang Baitabu Airport serve as hubs in northern Jiangsu.
As of 2022, all major cities in Jiangsu have been connected by high-speed lines, including: Shanghai-Nanjing intercity railway since 2010, Beijing-Shanghai high-speed railway since 2011, Nanjing–Hangzhou high-speed railway since 2013, Nanjing–Anqing intercity railway since 2015, Lianyungang–Zhenjiang high-speed railway since 2020, Xuzhou–Yancheng high-speed railway since 2019, Yancheng–Nantong high-speed railway since 2020, Shanghai–Suzhou–Nantong railway since 2020, and Lianyungang–Xuzhou high-speed railway since 2021.
Historically, the province was divided by the Yangtze River into northern and southern regions. The first bridge across the river in Jiangsu, the Nanjing Yangtze River Bridge, was completed in 1968 during the Cultural Revolution. The second bridge crossing, Jiangyin Bridge, opened 30 years later at Jiangyin. As of October 2014, there were 11 cross-Yangtze bridges in the province, including the five in Nanjing, which also has two cross-river tunnels. The Jiangyin Bridge (), Runyang Bridge (opened in 2005, connecting Yangzhou and Zhenjiang, ), and Fourth Nanjing Bridge (opened in 2012; ) all rank among the ten longest suspension bridges in the world. The Sutong Bridge, opened in 2008, connecting Nantong and Changshu, has one of the longest cable-stayed bridge spans in the world, at .
The Nanjing Metro was opened in September 2005. It was the sixth city in mainland China that opened up a metro system. As of December 2019 the city currently has 11 metro lines (Line 1, Line 2, Line 3, Line 4, Line 10, Line S1, Line S3, Line S6, Line S7, Line S8 and Line S9), with several extra ones (i.e. Line 5) under construction.
The Suzhou Metro was opened in April 2012. As of May 2025, it currently has nine operational lines: Line 1, Line 2, Line 3, Line 4, Line 5, Line 6, Line 7, Line 8, and Line 11, one under construction (Line 10), and at least 2 under planning (Line 9 and Line S4). Planned lines are expected to be operational by 2035.
The Wuxi Metro was opened in July 2014. The system is currently composed of four operational lines by 2022: Line 1, Line 2, Line 3 and Line 4. It also has two other lines under construction: Line S1 and an extension of Line 4.
The Changzhou Metro was opened in September 2019. The system currently only has two lines operational, Line 1 and Line 2.
The Xuzhou Metro was opened in September 2019, a few days after the Changzhou Metro started operations. The system currently only has three lines operational, Line 1, Line 2 and Line 3.
The Nantong Metro was opened in November 2022. It has one operating line: Line 1 and another line under construction: Line 2.
The Huai'an Metro, also known as the Huai'an Rail System, began construction in November 2018. There are seven lines planned: Line 1, Line 2, Line 3, Line 4, Line 5, Line S1, and Line S2. It is expected to start operations before 2025.
| Major dialect | Wu Chinese | Lower Yangtze Mandarin | Lower Yangtze Mandarin | Central Plains Mandarin |
| Core | Suzhou | Nanjing | Yangzhou | Xuzhou |
Jiangsu is rich in cultural traditions. Kunqu, originating in Kunshan, is one of the most renowned and prestigious forms of Chinese opera. Pingtan, a form of storytelling accompanied by music, is also popular: it can be subdivided into types by origin: Suzhou Pingtan (of Suzhou), Yangzhou Pingtan (of Yangzhou), and Nanjing Pingtan (of Nanjing). Wuxi opera, a form of traditional Chinese opera, is popular in Wuxi, while Huaiju is popular further north, around Yancheng. Jiangsu cuisine is one of the eight great traditions of the cuisine of China.
Suzhou is also well known for its silk, Chinese embroidery, jasmine tea, stone bridges, pagodas, and classical gardens. Nearby Yixing is noted for its teaware while Yangzhou is known for its lacquerware and jadeware. Nanjing's yunjin is a noted type of woven silk.
Since ancient times, south Jiangsu has been famed for its prosperity and opulence, and simply inserting south Jiangsu place names (Suzhou, Yangzhou, etc.) into poetry gave an effect of dreaminess, as was indeed done by many famous poets. In particular, the fame of Suzhou (as well as Hangzhou in neighbouring Zhejiang) has led to the popular saying: 上有天堂，下有蘇杭 ("above there is heaven; below there are Suzhou and Hangzhou"), a saying that continues to be a source of pride for the people of these two still prosperous cities. Similarly, the prosperity of Yangzhou has led poets to dream of: 腰纏十萬貫，騎鶴下揚州 ("with a hundred thousand strings of coins wrapped around its waist, a crane landed in Yangzhou").
| Victoria | 1979/11/18 | |
| Aichi Prefecture | 1980/7/28 | |
| Kangwon | 1984/11/8 | |
| Ontario | 1985/11/21 | |
| New York | 1989/4/21 | |
| Essex | 1992/7/16 | |
| North Rhine-Westphalia | 1992/8/1 | |
| Tuscany | 1992/9/18 | |
| Fukuoka | 1992/11/4 | |
| Punjab | 1993/12/28 | |
| Baden-Württemberg | 1994/4/23 | |
| North Brabant | 1994/9/9 | |
| North Jeolla | 1994/10/27 | |
| Minas Gerais | 1996/3/27 | |
| Veneto | 1998/6/22 | |
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| Free state | 2000/6/7 | |
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| Southern Finland | 2001/5/11 | |
| Atlántico | 2001/6/4 | |
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| Alsace | 2007/05/24 | |
| Baja California | 2006/8/23 | |
| Lucerne | 2011/4/26 | |
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| Capital Region | 2015/1/30 | |
| Mogilev Region | 2015/5/10 | |
| Khomas Region | 2015/6/19 | |
| Kedah | 2023/10/6 | |
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