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Population Transformation in Hong Kong and Shanghai, 1996–2025: A Comparative Event-Based Analysis of Global Shocks and Macroeconomic Context

Author(s): Fukang Chen1, Dean Han2, and Richard Zhang3*
1Portola High School, Irvine, CA, USA
2TVT Community High School, Irvine, CA, USA
3Richard Zhang, University of Southern California, Los Angeles, CA, USA
Richard Zhang*
Advisor: Mary Zhao, research mentor, AStudent Academy, Irvine, CA 92604
Cite this article: Chen F, Han D, Zhang R (2026) Population Transformation in Hong Kong and Shanghai, 1996–2025: A Comparative Event-Based Analysis of Global Shocks and Macroeconomic Context. American J Sci Edu Re: AJSER-341. DOI: 10.71010/2835-6764/ajser-e341.
Received: 17 Aug, 2026
Accepted: 24 Aug, 206
Published: 31 Aug, 2026
Abstract
While many of Asia’s major urban centers face global economic shock waves; international trade disputes; public health emergencies; or significant political transitions in addition to each city having a large population and economy, each city can respond differently to these types of events. The purpose of this paper is to compare how two of Asia’s largest urban areas – Hong Kong and Shanghai – responded from 1996 through 2025. To complete this analysis, we used the Asian Urban Transformation Matrix (AUTM) which is an AI-based research tool that provides access to UN data on world population trends and World Bank data for macroeconomic indicators. Because Shanghai was assigned to China for World Bank economic indicators on this platform, these indicators were treated as national macroeconomic context instead of values from Shanghai municipal levels; no false comparison by city-to-city GDP was made. Verified population endpoints show that Hong Kong population grew from 6.838 million in 2006 to 7.674 million in 2025 (+12.2%) while Shanghai population growth occurred from 16.675 million to 29.939 million (+79.5%). Shanghai’s population compound annual growth rate declined by 2.27 percentage points (from 3.97 percent from 2006–2018) to 1.70 percent from 2018–2025, while it was less than 0.7 percent for Hong Kong during the two timeframes. In terms of event-based analysis, the research examined the effects of such key events as the 1997 transfer of sovereignty over Hong Kong, the Asian financial crisis in 1997–1998, China’s accession to the WTO in 2001, the global financial crisis in 2007–2009, the Sino-US trade conflict commencing in 2018 and the COVID-19 pandemic. The results indicate that international events have differential impacts on various national/local structural forms: Hong Kong has an older and migration sensitive service economy with its population being exposed to greater external shocks compared to Shanghai, which experienced significant growth in its population due to long term urbanization and migration-based development factors; even though there were many disruptions to Shanghai’s economic environment.
Keywords: Hong Kong, Shanghai, urban population, economic shocks, migration, globalization.
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