With the international oil market in extended surplus, few has been heard from peak oil philosophers. However, with significant support from international environmental organizations for greater attention to be paid to environmental issues, the attention has changed to the peak of oil demand. This study investigates and clarifies the impact of peak oil on Saudi Arabia. In light of the participants’ critiques and the data analysis in this research, it appears that there are three peak oil assumptions in Saudi Arabia, namely, physical peak oil assumption, political peak oil assumption and oil demand assumption. This research study has called for substantial clarification of Saudi Arabia’s peak oil to address some issues related to energy security. Based on the outcomes of this research, Saudi Arabia is likely to experience various energy security problems. The country could be at extremely high risk in the future because oil is the cornerstone of both its energy and economic security. This research study outlines ways in which the Kingdom might address its energy security concerns in the future.

Keywords: Peak oil, Saudi Arabia, Energy Security