Referring to the Religious Market Paradigm represented by Berger (1985), Finke & Stark (1988, 1992) and Stark & Iannaccone (1994) the article discusses the changes within Brazilian Catholicism since the last two decades of the twentieth century. According to an institutional definition of the religious phenomena, it is argued that above all those elements suffered a process of transformation which are associated with the organizational level. From that point of view, the article describes the dynamics by which the Catholic Church looses its monopoly within the Brazilian religious market, a process which in turn promoted reactive changes in terms of its religious practices and discourses. The main indication for this modifications is seen in the growing relevance of the Catholic charismatic model which is about to substitute the previous preponderant popular model.