This study characterizes the world's system powers, explains his evolution, describes the factors that determinate the relative position of States in international hierarchy and shows the position, role and notability of Brazil in the context of present international relations. We conclude that Brazil can be considered a big potency, with capacity to influence more and more the behaviour of other international actors and, consequently, the world conjuncture evolution. To achieve this conclusion, the study refers to the application of systemic analysis to the international community, to the evolution of world's system powers, to the characteristics of contemporaneous multipolar system and the Brazil in the actual context of world's system powers.
Brazil; International Hierarchy; International Community
