The dataset includes the questionnaire, frequency table, raw datasheet and custom computer code SPSS 20.0 of the data analysis of the study: Brand Attributes of Political Candidates and Sustainable Electoral Success in Nigeria. The research examined the effect of political candidates brand promise on sustainable electoral success. This is as a result of the identified problem that political candidates often fail to fulfil their brand promises after winning election. The study concluded that fulfillments of political candidates’ brand promises have strong positive influence on sustainable electoral success. The implication is that candidates will now endeavour to fulfill brand promises as guarantee for sustainable electoral success.