This study aims to identify the motives of postgraduate students to join master programmes at Nizwa University and rank these motives for the student's points of views. Moreover, it aims to identify the role of the variables sex, age, marital status, specialisations in Master and the career on these motives. To achieve this, a questionnaire was applied to a sample of 200 students in different master specialisations. The questionnaire consists of 32 items distributed into 4 fields: scientific field, career and economic field, social field and psychological field. The study results show that the motives of postgraduate students to join master programmes are ranked as follows: scientific motive is ranked first, the psychological motive is the second, and the social motive is the third while the economic motive ranked the last. Also, the study results show the following: - There was no significant statistical differences at (a<0.05) in the motives of postgraduate students to join the master programs at Nizwa University, due to the variable of sex in scientific and social fields whilst there was significant statistical differences in career and psychological fields in the total for female. - There was no significant statistical differences at (a<0.05) in the motives of postgraduate students to join the master programs at Nizwa University, due to the variable of age in career, economic and psychological fields and in the whole total whilst there was significant statistical differences in scientific field at age of (30-45), and there was significant statistical differences in social field at age of (less than 30). - There was no significant statistical differences at (a<0.05) in the motives of postgraduate students to join the master programs at Nizwa University, due to the variable of marital status in all fields of the study tool and in the whole total. - There was no significant statistical differences at (a<0.05) in the motives of postgraduate students to join the master programs at Nizwa University, due to the variable of specialization in all fields of the study tool, except career and economical field which differences were found for the applied sciences. - There was no significant statistical differences at (a<0.05) in the motives of postgraduate students to join the master programs at Nizwa University, due to the variable of career in the psychological field and in the whole total whilst there were significant statistical differences in the scientific, career, economic and social fields.