Case Study from the year 2020 in the subject Business economics - Business Management, Corporate Governance, , course: Management, language: English, abstract: The study examined the impact of strategic management on economic development in Nigeria: a study of the oil sector. It further probed into how this has impacted on the management efficiency and effectiveness as strategic planning is essential in corporate organisations. Primary and secondary data were used for the study. The study made use of questionnaire to elicit information from employees in the oil sector. Data collected were analysed using descriptive and inferential statistics. The hypotheses were tested using the Pearson’s Product Moment Correlation Coefficient to establish the significance of relationship between the various variables used in measuring performance. The results of the hypotheses revealed that there is a significant and positive correlation between strategic management and economic development in Nigeria. The study therefore, concludes that strategic planning is beneficial to organisations in achieving set goals and recommends that oil companies and other corporate organisations alike, should engage in strategic management in order to enhance economic development in Nigeria.