The increase in migration into urban cities in Nigeria has posed a challenge to the Nigerian government. This study access the causes of rural-urban migration in major cities in Nigeria of which Enugu Urban is a case study. There are several factor responsible for rural-urban migration which influence the migrant's migration status. The study attempts to find answers to research questions by using survey design and sampling techniques to collect data from 210 (153) respondents with the aid of a 10-item structured questionnaire and personal interview. The respondents comprise of heads of household of migrants' (remove this) in the study area. Data for this study were edited, coded and analyzed using Statistical Packages for Social Sciences (SPSS) and descriptive statistics. The findings revealed that majority of the migrants migrated to continue their education rather than in search of employment as concluded by a lot of past studies. It also revealed that the impact of out-migration in the area includes: absence of youths to assist parents in their profession, lack of work force to work on farms, and desertion of the area by the youths as it affects the aged and children. The study recommends measures to limit rapid increase in urbanization, as well as strategies to reduce rural-urban migration and also profound ways of making the rural areas (include) comfortable for rural dwellers. Through government's support in the development and funding of small and medium scale rural enterprises, government should promulgate policies that will provide basic amenities in rural areas and finally higher school (tertiary institutions) such as polytechnics (include this) and universities should be sited in rural areas.