Cross-border data flows underpin today’s economic and social interactions. They help people connect with family and friends located in different geographical locations; they support research addressing global challenges (as was the case during the COVID-19 pandemic); they enable the co-ordination of production along global supply chains; and they allow firms, notably smaller ones, and people to access global markets. In sum, cross-border data flows have become the lifeblood of modern day social and economic activities.
As more and more data crosses international borders, concerns across a range of policy areas have amplified. For instance, for privacy and data protection, there are concerns that, when data is transferred abroad, it might not receive the same, or the desired and expected, degree of protection. Cross-border data flows also raise issues in the context of national security, intellectual property protection, digital industrial policy and regulatory reach. These concerns have led to a growing adoption of regulation which conditions (or prohibits) the transfer of data across borders, and/or data localisation measures which mandate that data be stored or processed domestically (Flaig et al., 2016[1]; World Bank, 2016[2]; Cory, 2017[3]; Cory and Dascoli, 2021[4]; Casalini and López González, 2019[5]; López González, Casalini and Porras, 2022[6]; WEF, 2020[7]) (Figure 1.1).