Data is driving or shaping many aspects of our economies and societies. However, in a global world, the structures, principles, policies, and technologies to let data flow across borders are still very much emerging. Similarly, geopolitics and other challenges highlight the fragility of the international system. Protectionism, nationalism, and other aspects have had real and negative impacts around the world. We need data to flow across borders to drive industries, opportunities, and sectors. This report explores the key foundations, norms, and principles needed to catalyse cross-border data flows.