The main purpose of this study was to identify the major factors affectingrnadult learners' dropout fro m Non-Formal Basic Education and to suggestrnconstructive ideas that would help to minimize the dropout of adultrnlearners from Non- Formal Basic education . To the end, both quantitativernand qualitative methods were employed. Simple random samplingrntechnique was used to select Five out of Ten sub-city educationrndepartments, Five Non-Formal Basic Education representatives fromrnSCEDs, thirteen school principals where Non-Formal Basic Education wasrnprovided, 32facilitators from the (13) NFBE centers and four school clusterrnsupervisors and 12 adult learners were used as a source of data. Therninf01mation gathered from the respondents was analyzed by using suchrnstatistical tools like frequency counting, percentage, and Chi-square tests.rnThe results of data analysis showed that there were in-school and out- ojschoolrnrelated factors for adult learners' dropout from NFBE. In the case ofrnIn-school factors for adult learners' dropout were shortage of stationaryrnmaterials, textbooks, facilitators' inappropriate approach, school distance,rnetc. Out of school factors were mainly economical problems. Finally,rnconclusions were drawn and certain recommendations were made inrnorder to minimize adult learners' dropout from NFBE.