Abstract: Exemplary embodiments described herein permit classification of a new mobile user in a communication network based on demographics associated with the new mobile user. The demographics may include all or any of age, income, occupation, frequency of mobile usage, time of mobile usage, and type of mobile usage associated with the mobile users. In an exemplary implementations described herein, the method of classification may include representing, for a sample set of mobile users, each mobile user by a node and mobile usage between two nodes by an edge connecting the two nodes. The method may further include forming one or more communities of nodes based on increasing modularity. Modularity is a measure of how closely two nodes or communities are connected. The method also includes identifying a plurality of subunits by splitting each of the one or more communities based on articulation point determination.