The world's proved oil reserves total 264 billion barrels (last comprehensive global assessment, 2021 vintage, Energy Institute / BP Statistical Review). Divided by current world production, that is a runway of roughly 8.5 years at today's extraction rate — the classic R/P ratio, a mechanical arithmetic rather than a prediction, since reserves grow with discovery, technology and price. The interactive map colors every holder; clicking a country charts its 40-year reserve history, and each country's runway joins the 2021 reserves to CURRENT EIA production.
| # | Country | Reserves (bn bbl) | Share | Runway (yrs) |
|---|---|---|---|---|
| 1 | Venezuela | 48.3 | 17.8% | 120.3 |
| 2 | Saudi Arabia | 41.1 | 15.1% | 17.1 |
| 3 | Iran | 33.2 | 12.2% | 24.7 |
| 4 | Canada | 27.1 | 10% | 14.7 |
| 5 | Iraq | 23.1 | 8.5% | 46.1 |
| 6 | Kuwait | 16.1 | 5.9% | 77.6 |
| 7 | United Arab Emirates | 15.6 | 5.7% | 16.3 |
| 8 | Russia | 12.7 | 4.7% | 3.5 |
| 9 | Libya | 7.7 | 2.8% | 15.3 |
| 10 | United States | 7.5 | 2.8% | 1.5 |
| 11 | Nigeria | 5.9 | 2.2% | 9.9 |
| 12 | Kazakhstan | 4.8 | 1.8% | 6.1 |
Why an inflation site tracks reserves: they are the ceiling on the supply side of the oil balance, and a short world runway is the structural argument for a higher long-run oil price — which passes into pump prices, freight and the CPI energy component within weeks. Sources: EI/BP via Our World in Data (reserves), EIA (production), Natural Earth (map geometry) — free and re-checkable.
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