This study was primarily designed with the purpose of investigating therninfluence of chronological age, sex and educational attainment on adults' selfacceptancernand personal autonomy achievements. What is the relationshiprnbetween self acceptance, personal autonomy, is there a significant difference inrnadults self acceptance and personal autonomy as a result of their variation byrnsex and educational level were the major research questions that werernformulated to be investigated in the study. In the study population to incorporaternthe sufficient number of male female well and less educated adults and to realizernthe satisfactory representation of these important variables to the study,rndisproportionate stratified random sampling technique was employed. The datarnwas collected from 250 Hawassa university main campus academic andrnadministrative adult staff, who attained a high school or more level educationrnand whose age ranges between 22 and 63. A structured questionnaire consistingrnof 22 items that are adjusted to assess ones' self perception in comparison withrnothers, the extent of ones' positive and negative feeling about likeable andrnunlikable aspects of one's personality, positive and negative attitudes about thernpast and present life experiences including one's accomplishment in life, inrngeneral one's ability to acknowledge both aspects of one's true self, were usedrnto measure self acceptance. In the autonomy scale questionnaire 16 statementsrnstructured with a 5 point interval level scale ' were used to assess whether mostrnbehaviors of participants regardless of cultural and social influences wererngoverned by their own genuine an.d thought full in.terest or regulated by externalrnsocial pressures. In the process of investigating the influence of the above sociorndemographic variables on adults self acceptance and personal autonomy thernmean score difference between male and female group and among the threerneducational level group was compared and the association between the age ofrnrespondents and their score were observed. Finally, the result indicated thernexistence of positive association between age and self acceptance. Unlikernpreviously conducted researches' this study indicated a negative relationshiprnbetween chronological age and personal autonomy. The finding also indicatedrnthat the extent of adults self acceptance and personal autonomy increases asrnthey move up the educational hierarchy. In terms of gender difference the studyrnfound that there is a comparable ability between male and female adults in bothrnself acceptance and personal autonomy dimensions. Generally, the findingrnhighlights how some socio demographic variables affect adults self acceptancernand personal autonomy. It is also insight the need for future research inrnparticular about different dimensions of psychological and subjective well beingrnto contribute for adults psychological health and life satisfaction enhancement.