Saudi Arabia, Canada, Iran, Iraq, Kuwait and the United Arab Emitates in that order
USA
Venezuela is known to have the largest oil reserves in the world.
Saudi ArabiaProven oil reserves (billion barrels):267.91Total oil supply in 2012 (thousand barrels per day): 11,545.7Saudi Arabia has almost one-fifth of the world's proven oil reserves and ranks as the largest producer and exporter of oil in the world.
Algeria is the North African country with the largest supply of oil reserves.
Venezuela has the largest oil reserves in Latin America.
USA
The country of Saudi Arabia has the largest oil reserve in the world with over 100 billion oil barrels. The second largest oil reserve in the world is Iraq with over 21 billion barrels.
Canada
USA
Venezuela currently has the largest oil reserve. Saudi Arabia used to have the largest, but was recently surpassed, as Venezuela's deposits were at 296.5 billion barrels at the end of 2013.
Iran
Nigeria is the largest oil producer in Africa, but the CIA World Factbook lists them as 15th, not 6th. Canada is the worlds 6th largest oil producer.
Venezuela is known to have the largest oil reserves in the world.
The answer to this question can vary, actually. The number one exporter, Saudia Arabia, and the number two, Russia, have been to known to swap places now and then depending on OPEC limits. Russia is not a member of OPEC and does not adhere to to its limits on export and production.
Russia has the largest oil reserves in the Commonwealth of Independent States (CIS).
siberia
venezuala