The academic paper deals with theoretical and methodological basics of forming individual's competitiveness under the new conditions of world challenges requiring new approaches to defining leaders. It generalizes the list of the most common ratings and indices that determine the competitiveness of goods, services, enterprises, industries and national economies. Their classification into groups has been carried out. It has been concluded that among them there is not any index with the help of which it would be possible to determine the most versatile and successful individuals by certain spaces of their life activity. For the first time, the author has suggested a methodology of calculating points by certain environments and their summing up to obtain ICI - individual's competitiveness index.The academic publication will be useful for civil service bodies, top managers of companies, heads of enterprises, organizations and institutions, in fact for all scholars, entrepreneurs and public employees.