Shanghai & Beyond: The Yangtze Delta Megaregion's Rise as a Global Powerhouse The Yangtze Delta Megaregion at a Glance (2025 Data) 1. Economic Power - Combined GDP: ¥38.7 trillion (32% of China's total) - 8 of China's top 20 ports by cargo volume - 45 Fortune Global 500 HQs - 68% cross-border e-commerce sha