It generally argued that the separate existence of civic as a school subject may constitute recognizable threat to the civic mandates of social studies based on the assumption that civic education was largely disarticulated from social studies. This study therefore investigates adequacy of civic contents in Basic Education Social Studies Curriculum for effective citizenship training of Nigerian youth. The population of this study comprises of thirty (30) students from fifteen selected secondary schools in Ijebu-north Local Givernment Area of Ogun State. Three research questions were raised to guide the study. Questionnaire was adapted and used to answer the research questions, adequacy of civic education contents in basic education social studies curriculum for effective citizenship training curriculum for effective citizenship training of Nigerian youth. The findings of the study revealed that the goals of the 9-year Basic Education Social Studies curricula were relevant to civic education needs, problems and aspirations of Nigerian youths. The study also revealed that Social Studies teachers were aware of the need to use the subject to enhance civic competence of Nigerian youths. The study showed that Civics Education Content in the 9-Year Basic Education Social Studies Curricula very adequate. It is concluded that even though Basic Social Studies curricula lack substantial civic contents, it can still be used to promote civic education and citizenship training of youths in contemporary Nigeria society. The study therefore recommend that measures should be taken to infuse more civic education contents into the Basic education Social studies education curricula whenever it is reviewed.