Ranking the total oil production by country, from highest to lowest.
Proven Oil Reserves is determined through geological and engineering processes to produce an estimated value of oil stocks in the ground. Proven Oil Reserves showcases the commercially available (and theoretically recoverable) oil reserves of a given country based on its recognized reservoirs. For the purposes of the GFP ranking, oil is a highly-valued component when considering a prolonged military campaign and is used in conjunction with oil consumption and oil production values.
Data presented on this list is through 2021. Estimates are made when official data is not available.
Values are presented in bbl/day (Barrels Per Day).
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