This article presents a picture of the historical development and the prese
nt situation of the various forms of Pentecostalism existing in Brazil, Arg
entina, Uruguay and Chile. The article also presents a summary of the diffe
rent theories about some themes: the diversity of the social actors reached
by the Pentecostal message, the diversity of theologies, Neo-Pentecostalis
m, Pentecostalism and politics and Pentecostalism and the media.