This study was conducted to determine the perceptions of the teacher candidates in educational faculties in Turkey about social network usage levels in today's globalizing world. The study was performed with 4 separate study groups. The first study group consisted of 657 teacher candidates, the second study group consisted of 364 teacher candidates, the third study group consisted of 121 teacher candidates, and the fourth study group consisted of 676 teacher candidates. This study, designed based on the Scanning Model, is a descriptive study. It is revealed in the study that the teacher candidates in Turkey think that they are different from each other in the use of social networks. Their perceptions are given in a scale, "The perceptions scale of the teacher candidates about social networks".