The world's top five oil producers are the United States, Saudi Arabia, Russia, China and Canada, as of 2014. The next five largest producers are the United Arab Emirates, Iran, Iraq, Mexico and Kuwait.
Pumping about 12.5 million barrels a day, the United States surpassed Saudi Arabia in 2014 to become the world's largest oil producer. Hydraulic fracturing of shale rocks in Texas and North Dakota has boosted U.S. oil production which is expected to further increase to 13.1 million barrels daily 2019.
Saudi Arabia pumps about 11.6 million barrels daily while Russia isn't far behind with 10.8 million barrels per day mainly coming from western Siberian oil fields. China produces 4.4 million barrels per day coming mainly from the Daqing oil fields in the northeast and Tarim in the northwest. Canadian oil production stands at 3.7 million barrels daily, most of it coming from the oil sands in Alberta.