A method, system and computer program product for visualizing analysis results of contents. Contents collected from various kinds of communication tools are read into memory. The contents are analyzed to obtain analysis results, where the analysis results include information on user groups, information on topics and degrees of involvement of users with the topic. Furthermore, user objects assigned according to the degree of involvement are dynamically displayed for a designated period of time and for each topic using the analysis results, where the displaying of each of the user objects is modified according to the degree of involvement and the information on a user group. A communication volume object which represents a communication volume between users may be further displayed between the user objects associated with these users and displayed so as to be different depending on the communication volume.