Data localization or data residency law requires data about a nations' citizens or residents be collected, processed, and/or stored inside the country, often before being transferred internationally, and usually transferred only after meeting local privacy or data protection laws, such as giving the user notice of how the information will be used and obtaining their consent.
Data localization builds upon the concept of data sovereignty that regulates certain data types by the laws applicable to the data subject or processor. While data sovereignty may require that records about a nation's citizens or residents follow its personal or financial data processing laws, data localization goes a step further in requiring that initial collection, processing, and storage occur first within the national boundaries. In some cases, data about a nation's citizens or residents must also be deleted from foreign systems before being removed from systems in the data subject's nation.
Motivations and concerns
The push for data localization greatly increased after revelations by Edward Snowden regarding United States counter-terrorism surveillance programs in 2013. Since then, various governments in Europe and around the world have expressed the desire to be able to control the flow of residents' data through technology. Some governments are accused of and some openly admit to using data localization laws as a way to surveil their own populaces or to boost local economic activity.
Technology companies and multinational organizations often oppose data localization laws because they impact efficiencies gained by regional aggregation of data centers and unification of services across national boundaries. Some vendors, such as Microsoft, have used data storage locale controls as a differentiating feature in their cloud services.
International treaties and laws
After Germany and France either passed or nearly passed data localization laws, the European Union was considering restrictions on data localization laws being passed by member states in 2017. Data localization laws are often seen as protectionist. Consistent with the "Fortress Europe" philosophy whereby trade barriers should be abolished within the EU but erected between the EU and other countries, the EU believes that data localization should be left to the EU to regulate at a pan-EU level, and member states' domestic data localization laws would violate European Union competition law. The EU's General Data Protection Regulation contains extensive regulation of data flow and storage, including restrictions on exporting personal data outside of the EU.
To counter the protectionist impulses of the EU and other countries, a number of regional free trade agreements prohibit data localisation requirements and restrictions on cross-border flow. An example is the Trans-Pacific Partnership, which included language that prohibited data localization restrictions among participants, which was carried over to the Comprehensive and Progressive Agreement for Trans-Pacific Partnership. Another example is the United States-Mexico-Canada Agreement.
Data localization laws and scope
|Canada (In Provinces - Nova Scotia and British Columbia)||public service providers: all personal data|
|China||personal, business, and financial data|
|India||Payment System Data|
|Indonesia||public services companies must maintain data centers in country|
|Kazakhstan||servers running on the country domain (.kz)|
|Nigeria||all government data|
|Russia||all personal data|
|South Korea||geospatial and map data|
|Vietnam||service providers usage data|
Most nations restrict foreign transfer of information that they consider related to national security, such as military technology.
- Data governance
- Data sovereignty
- Information privacy (data protection)
- Legal aspects of computing
- Privacy law
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