Today, the "data journalism" in the global media space has emerged as an independent direction with its own goals, objectives, and specifics. Specialized data departments in large media are increasingly appearing, and reporters working with "Big Data" are called data journalists now. There are studies in the scientific community on the data journalism in the USA, Russia, and European countries, but only a small number of such materials are devoted to data projects in Latin America. Meanwhile the data journalism in that part of the world has been actively developing since 2012, and such publications comply with all standards of high-quality analytical material. The article is based on an analysis of the data journalism of the three countries, Argentina, Brazil and Mexico, because their projects regularly receive prestigious awards and are recognized by the international community. In particular issues of the thematic diversity of the data materials, work methodology, format features of publications are considered.