Which countries have the most oil underground?
Venezuela. • Proven oil reserves: 303.2 billion barrels (17.9% of world total)Saudi Arabia. • Proven oil reserves: 266.2 billion barrels (15.7% of world total)Canada. • Proven oil reserves: 168.9 billion barrels (10% of world total)Iran.Iraq.Russian Federation.Kuwait.United Arab Emirates.Similarly, ...