EN
Large-scale shadow economy and corruption make substantial threat to national security. Their scope and influence on legal economy largely depend on government policy and organizational effectiveness and economic and legal mechanisms for regulating social and economic relations in society. In the article the category of “shadow economy” analysed the causes, conditions and factors of growth of the shadow economy. In this paper the statistical data and expert estimates of the shadow economy in some European countries, including Ukraine; information about the volume shadow major sectors of the national economy. Based on a critical analysis of a complex of priority measures of organizational, economic and legal measures aimed at de-shadowing of the Ukrainian economy.