The Strait of Hormuz handles ~21M bbl/day of oil transit, roughly 21% of global consumption.[3] Full closure, combined with Iranian missile strikes on Saudi Aramco and UAE port infrastructure, removes 25-30% of global oil supply. The IEA estimates that even with full SPR releases from OECD members (1.2B barrels collectively), the supply gap persists beyond 6 months.[12] [18]
Every $10/bbl increase in sustained oil prices reduces global GDP by approximately 0.15-0.25%, with the transmission running through energy costs, transportation, petrochemicals, and fertilizer.[27] [28] At $200/bbl (a 2.4x increase from pre-crisis $83), the GDP impact is equivalent to the 1973 embargo shock, which triggered the deepest recession since WWII.[61]
| Region | GDP Impact | Oil Import Dep. | Current CPI | Inflation Surge | Total CPI |
|---|---|---|---|---|---|
| United States | -2.5% | 35% | 3.1% | +3.5pp | 6.6% |
| European Union | -4.0% | 58% | 2.4% | +5.0pp | 7.4% |
| China | -3.0% | 70% | 0.5% | +3.0pp | 3.5% |
| Japan | -3.5% | 88% | 2.8% | +4.0pp | 6.8% |
| India | -3.0% | 80% | 5.2% | +4.5pp | 9.7% |
| South Korea | -3.5% | 92% | 2.0% | +3.5pp | 5.5% |
| Emerging Markets (avg) | -4.5% | 65% | 6.5% | +6.0pp | 12.5% |
| Middle East (non-producer) | -8.0% | 90% | 4.0% | +8.0pp | 12.0% |
| Sub-Saharan Africa | -2.0% | 40% | 7.0% | +5.0pp | 12.0% |
Central banks face an impossible choice: raise rates to fight inflation (deepening the recession) or cut rates to support growth (letting inflation run). The 1979-82 precedent is instructive: Volcker chose to crush inflation with 20% Fed Funds, causing the deepest US recession since the 1930s. Today's central bankers, already navigating post-pandemic normalization, have no good options.[52] [53]
How a shipping chokepoint closure propagates to global recession in 6-12 months.