The study investigated impact of corporate governance on Nigeria economy. It also examined the difference between public and private corporate governance on Nigeria economy. Primary data were used for study. Population consisted of top echelon employees of public and private sectors in Ondo State. The study used purposively sampling technique to select 186 participants for the study. Corporate Governance Economy Impact Questionnaire (CGQ) was used to collect the study data. Data collected were analyzed using Simple Learner Regression and Independent t-Test. Results showed that corporate governance has statistical significant impact on Nigeria economy; (β = 0.620, t = 12.194, p < .05.). The results also showed that that public corporate governance did not have higher positive impact on economic growth than private sectors corporate governance in Nigeria; t (184) = 1.474, p > 0.05.This study concluded that both private and public sectors corporate governance can facilitate rapid nation economy growth. It is the believe of the study corporate governance facilitates accountability, promotes transparency of operations, improves private and public sectors profitability and enhances growth of a nation economy

Keywords: Corporate governance, Economic Growth, Corporate Governance Economy Impact Questionnaire (CGQ)