- Venezuela – 304 billion barrels – 18% of global reserves
- Saudi Arabia – 298 billion barrels – 17% of global reserves
- Canada – 168 billion barrels – 10% of global reserves
- Iran – 158 billion barrels – 9% of global reserves
- Iraq – 145 billion barrels – 8% of global reserves
- Russia – 108 billion barrels – 6% of global reserves
- Kuwait – 102 billion barrels – 6% of global reserves
- UAE – 98 billion barrels – 6% of global reserves
(BP)