The leading oil-producing area in the United States in 2014 was Texas (3.17 million barrels (504,000 m 3) per day), followed by the federal zone of the Gulf of Mexico (1.40 million barrels (223,000 m 3) per day), followed by North Dakota (1.09 million barrels (173,000 m 3) per day) and California (0.50 million barrels (79,000 m 3) per day). Petroleum prices, supply and demand information from the Energy Information Administration - EIA - Official Energy Statistics from the U.S. Government The top three producers have in recent history been (alphabetically) Russia, Saudi Arabia, and the United States. Each of these countries experienced major production declines at different times in the past, but since 2014 all three have been producing near their peak rates of 9 to 11 million barrels per day.