Shanghai 2030: The Making of a Global Megacity-Region I. THE DELTA DYNAMIC: SHANGHAI'S REGIONAL FOOTPRINT1. Geographic Composition: - Core: Shanghai (24.5 million residents) - First-tier Nodes: Suzhou, Hangzhou, Nanjing - Emerging Cities: Nantong, Jiaxing, Zhoushan - Total Regional GDP: $4.9 t