This replication package provides the data and code to reproduce the results reported in the published paper: "Do doctors contribute to socioeconomic inequalities in health care provision? An audit experiment in Tunisia". The data were collected through structured questionnaires completed by Standardised Patients (SPs) after visits to primary care providers in public facilities and private clinics in urban Tunisia. The dataset includes 260 SP visits, portraying either a middle-class or a lower socioeconomic (poor) patient profile. The questionnaires captured consultation time and duration, questions asked, physical examinations performed, communication and advice provided, treatment plans (including drugs that were prescribed or given free-of-charge), and visit costs. The study also included a GP survey and clinical vignettes to test the knowledge of GPs. An audit study using standardized patients (SPs) was conducted in public and private primary care facilities in Tunis. Thirteen trained SPs presented a consistent case of acute bronchitis under two socio-economic profiles (poor and middle-class). After each consultation, SPs completed a structured paper questionnaire on clinical care, costs, and communication. Supervisors debriefed SPs and transferred data into an electronic format, coding drugs using national guidelines and official pharmacy price lists. In total, 260 provider–patient interactions were collected, forming the final dataset for analysis.