Canada
USA
America is the biggest oil consumer country of the world and Saudia Arabia is the largest oil producing country of the world. Russia is the largest oil producing country, it produces about 1,200,000 more barrels daily than Saudi Arabia
Nigeria (Production: 2,352,000 bbl/day)
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.
The world's largest supply of oil is recorded in Saudi Arabia, which holds the largest proven oil reserves globally. Saudi Arabia has vast amounts of oil reserves that have been a key factor in its prominence as a leading oil-producing nation.
siberia
venezuala
Mexico is by itself a country. It is the seventh largest oil producer in the world and third in North America, with 3.19 million oil barrels produced each day. If you mean what is the top oil producing country in in North America then that answer is the United States, with 8.51 million oil barrels a day, followed by Canada with 3.35.
Venezuela is an oil producing country; one of the largest in the world. Nearly half of Venezuelan incomes come from oil.
Saudi Arabia is the largest producer of oil. Vast oil reserves were discovered not only in Saudi Arabia, but all along the coast of the Persian Gulf in 1938.