| Rank | Country | Proved reserves (billion barrels) |
|---|---|---|
| 1. | Saudi Arabia | 264.3 |
| 2. | Canada | 178.8 |
| 3. | Iran | 132.5 |
| 4. | Iraq | 115.0 |
| 5. | Kuwait | 101.5 |
| 6. | United Arab Emirates | 97.8 |
| 7. | Venezuela | 79.7 |
| 8. | Russia | 60.0 |
| 9. | Libya | 39.1 |
| 10. | Nigeria | 35.9 |
| 11. | United States | 21.4 |
| 12. | China | 18.3 |
| 13. | Qatar | 15.2 |
| 14. | Mexico | 12.9 |
| 15. | Algeria | 11.4 |
| 16. | Brazil | 11.2 |
| 17. | Kazakhstan | 9.0 |
| 18. | Norway | 7.7 |
| 19. | Azerbaijan | 7.0 |
| 20. | India | 5.8 |
| Top 20 countries | 1224.5 (95%) | |
| Rest of world | 68.1 (5%) | |
| World total | 1,292.6 | |