GDP30强城市10年进化论：天津跌出前十，合肥逆袭，南通成“黑马”

Core Viewpoint - The article highlights the significant changes in the GDP rankings of major cities in China over the past decade, emphasizing the rise of cities like Nantong and the decline of traditional industrial cities like Tianjin, Dongguan, and Foshan due to industrial and foreign trade challenges [6][10][20]. Group 1: GDP Ranking Changes - Nantong has shown the fastest rise in GDP ranking among the top 30 cities, moving from 23rd in 2024 to 18th in the first half of 2025 [6][20]. - Over the past decade, cities like Tianjin have fallen out of the top 10, while cities like Nanjing and Ningbo have risen in ranks [6][10]. - The article notes that cities such as Dongguan, Foshan, and Quanzhou have experienced significant declines in their GDP rankings due to industrial slowdowns [10][11]. Group 2: Industrial Performance - Industrial economic data has been a decisive factor in the changes in city rankings, with cities like Foshan experiencing a GDP growth rate drop from 5% to 1.3% in 2024, correlating with a slowdown in industrial growth [7][8]. - Dongguan's GDP ranking fell from 19th in 2019 to 24th in 2020, with industrial value-added growth declining significantly during this period [9]. - Tianjin's industrial sector has faced severe challenges since the 2015 explosion, leading to a significant reduction in GDP and a drop in its ranking [10]. Group 3: Foreign Trade Impact - The article discusses the negative impact of foreign trade fluctuations on city economies, with Quanzhou's import and export totals declining by 4.0% in 2023 [14]. - Dongguan's foreign trade dependency is highlighted, with a significant drop in import and export totals in 2022 and 2023, leading to lower GDP growth rates [15]. - In contrast, Dongguan's foreign trade showed signs of recovery in 2025, with a 16.5% increase in total imports and exports [16]. Group 4: Emerging Industries - Nantong's GDP growth of 6.2% in 2024 is attributed to its focus on emerging industries, particularly in the new generation of information technology [20][21]. - Hefei has also seen a rise in GDP ranking due to its focus on high-tech industries, achieving a 13.1% growth in industrial value-added in 2025 [22]. - Cities like Wenzhou, Xuzhou, and Changzhou have entered the top 30 rankings by leveraging new industries, with significant growth in sectors like digital economy and new materials [23].