Mypostalexam.com is not affiliated with the USPS but sells the latest and most helpful Postal Jobs Exam Study Guide.
The desert kingdom has around 16% of the worldâs proven oil reserves and is the biggest global exporter of petroleum liquids. There is little doubt as to why its national oil company, Saudi Aramco, the biggest energy company in the world, generates over $1 billion in revenue every single day.
Worldwide Oil Production. While just about every country in the world depends on oil, not all countries produce it. The top five oil producing countries are: Saudi Arabia, Russia, United States, Iran, and China. It is important to note that the term production here refers to crude oil extracted from oil reserves.