- Venezuela tops the list with 303 billion barrels of proven reserves.
- Saudi Arabia holds 266 billion barrels of proven reserves and is the leader of OPEC.
- Canada has 167 billion barrels of proven reserves, primarily in the oil sands of Alberta.
- Iran has 155 billion barrels and is a significant player in the global oil market, despite facing U.S. sanctions.
- Iraq holds approximately 145 billion barrels, and is an important player in the Middle East and OPEC.
- Russia holds 80 billion barrels of proven reserves, making it a dominant force in non-OPEC oil production.
- The United Arab Emirates has 111 billion barrels of proven reserves, mainly in Abu Dhabi.
- Kuwait has 101 billion barrels of proven oil reserves and is a vital OPEC member.
- The USA has as many as 74 billion barrels.
- Libya has 48 billion barrels, the largest in Africa's largest reserves.
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