The purpose of the study is to analyze the level of digitalization of the economies of various countries of the world by dividing them into groups according to the level of digitalization of the economy through cluster analysis methods using a model for the development of high-tech industries. The following analysis methods were used during the analysis: a comparative approach in the analysis of approaches to the concept of "digital economy" by Russian and foreign authors, statistical analysis of indicators of the development of the digital economy of Russia and the countries of the world, cluster analysis in dividing the countries of the world into separate groups according to the level of development of the digital economy, morphological analysis and synthesis in the formation of the optimal structure of high-tech industries to increase the level of digitalization of the Russian economy, tabular and graphical methods to illustrate the results obtained. The result of the study is the formation of clusters of countries in the world according to the level of development of the digital economy and the application of a model for the development of high-tech industries in the country to increase the level of digitalization.

The problem of the protection of labor in the construction industry has always been acute, as there is a large number of objects that cause harmful and dangerous production factors and, consequently, causes of occupational diseases and injuries of workers. Analysis of the status and protection of labor at the construction industry enterprises of the Belgorod region, allowed to identify the main types of violations, to identify ways to decrease them. It is established that in order to reduce the level of occupational injuries in the construction industry it is necessary to introduce innovative methods of occupational safety and health improvement, to accelerate the level of education and level of vocational training of workers.

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