The article deals some aspects of the development of legal regulation of national legislation in the field of protection of personal data of different states, especially, the Russian Federation, the European Union, the UK, the CIS, the Middle East. The peculiarities of the influence of the main international data protection standards formed during the practice of European states on their subsequent implementation in the normative acts of national legal systems are analyzed.

The relevance of current work is conditioned by the modern conditions of objective reality, which is characterized by the progressive development of technologies and digitalization, together in the same time with the permanently increasing quantity of circulation of data collection, processing and interstate exchange. Such provisions indicate an increase of new challenges for national legislators, which can be solved by consolidating of the accumulated experience of the States of the international community in area of personal data protection.

The task of the work is to study the general features and differences in the formation of the institution of the right to personal data protection on national levels of different states, as well as to identify the main trends in legislation and prospects of their development. During the work, the following methods were used: comparative legal, formal legal, interpretation of law and system-structural analysis.

Conclusions are drawn about the main trends in the development of the right to personal data protection in legislation, increasing role of this right in national legal systems, as well as its processes of universalization and constitutionalization in the last few years. The current modern system of personal data protection today is characterized by a combination and close interweaving of national, supranational and international legal principles.