Kayode Sunday ADEYEMI2024-05-172024-05-172022-12Kate TurabianM.EDhttps://repository.lcu.edu.ng/handle/123456789/127A close look at situations in universities in Nigeria suggests that majority of postgraduate students do not complete their programmes by the deadline, despite having completed the course work requirements for the programmes. Some even abandon their thesis and go on leave for reasons best known to them. This study did a comparative analysis of postgraduate students’ thesis supervision and mentoring in universities in Oyo State. The descriptive survey research design was adopted; population included all postgraduate students in public and private universities in Oyo State. A self developed instrument tagged ‘Postgraduate Thesis Supervision and Mentoring Questionnaire’ (PTSMQ) was developed to source data for the study. Data collected were analyzed with descriptive and inferential statistics. Results showed a high level of interpersonal contact between supervisors and supervisees at universities, high level of mentoring, Similarly, result found that there was a significant university type difference in mentoring of post graduate students with private university graduate mentoring (mean = 2.83, Std. = 0.938, p < 0.05) and public universities graduate students’ mentoring at (mean = 3.15, Std. =1.203, p < 0.05). The study equally found a significant university type difference in supervision of postgraduate students’ thesis in universities in Oyo State. Private universities (mean = 2.73, Std. = 0.856, p < 0.05) and public universities postgraduate students supervision at (mean = 3.07, Std. =1.196, p < 0.05). It was concluded that there was a significant difference in mentoring and thesis supervision among postgraduate students in universities in Oyo State. The study recommended among others, that efforts should be made by the government and university Administrators to minimize the academic and administrative workload of postgraduate students' thesis supervisors to ensure they dedicate more time to thesis supervision. Keywords: Postgraduate students, Mentoring, Supervision of Thesis, Oyo State Wordcount: 296enThesis