- January 2002 Saudi Arabia With one-fourth of the world's proven oil reserves, Saudi Arabia is likely to remain the world's largest oil producer for the foreseeable future. During the first 10 months of 2001, Saudi Arabia supplied the United States with 1.6 million barrels per day of crude oil, or 18%, of U.S. crude oil imports during that period. Information contained in this report is the best ...www.eia.doe.gov/emeu/cabs/saudi.html