The purpose of the data set is to collect information about compositional characteristics of personal social networks and about the support function of these personal networks, in young people with intellectual disabilities and without intellectual disabilities. Two data files include the dataset. One refers to the sociodemographic characteristics of the 51 participants in the study and their relational context (EGO file). The second file includes the data of the personal network of each participant. The file contents information of each of the members of the personal network for each participant. Data refers to compositional characteristics and social support characteristics. Data was collected through a EGONET questionnaire about personal social networks