Sustainable supply from Saudi Arabia, Iraq: Oil reserves or politics?

The availability of future oil supplies from Saudi Arabia and Iraq is a major concern globally and particularly for the main oil-consuming regions of the world.In some years in the past, these two countries have contributed more than 17% and 5%, respectively, to total world oil production.They currently contribute less than 13% and 2% to world oil production, respectively, while they hold 20.7% and 9.1% of the world's remaining oil reserves.Thus these two countries will play more-significant roles in supplying the world's oil needs in the future. Obviously, questions about the reliability of these figures and the security of their oil supplies are critical issues for the future of...

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