The Four Largest Oil Reserves on Earth: A Timeline of Events in Early 2026
The Numbers
The distribution of proven oil reserves across the globe is remarkably concentrated. According to data from the U.S. Energy Information Administration, OPEC, and the BP Statistical Review of World Energy, four nations hold a disproportionate share of the world's recoverable crude oil:
Rank 1 — Venezuela — 303 billion barrels — ~17% of global total
Rank 2 — Saudi Arabia — 267 billion barrels — ~15% of global total
Rank 3 — Iran — 209 billion barrels — ~12% of global total