Abstract The study examined the effect of card reader on election credibility in Nigeria. Card reader was the most highly contentious and the real issue in the 2015 general elections in Nigeria. This project work has groups into five chapters. Chapter one deals with the background to the study; statement of the problem; (which the researcher discussed brief about the 2015 presidential election as the closest electoral contest since the country’s post – 999 transition to multi-party democr...