The current trends and specifics of transformations of modern sociological theory are determined by the challenges that faced by societies of the XXI centuries. Social changes require theoretical understanding and need to develop new approaches that allow us to interpret modern reality. One of these approaches is proposed by the modern American sociologist Saskia Sassen. She builds an integral concept of modernity with the corresponding content of the subject field and problems. The scientist focuses on the current processes of globalization, urbanization, transnational migration and inequality, including global inequality, revealing the essence and specifics of the transformations of modern societies, which necessitates a detailed analysis...