The study investigates the political socialization and social capital of the Brazilian youth at the start of the XXI century, in the context of the debate about the democratic consolidation in the Country. With bases in investigations at national and international levels, it established theoretical references related to the socialization, political culture and social capital needed to understand the formation of the youth and the democratic practice. It is focused on the important aspects of the society and of the State in trying to contextualize the obtained data in the empirical research. The youth are portrayed as a historical and social construction, and their profile is traced to the unchained conjectural impact of globalization and, also, by the structural impacts caused by the hybrid political culture of authoritarianism and democracy.