Nearly half of the worlds oil supply now comes from countries affected by conflict, highlighting the growing vulnerability of global energy markets. Reuters calculations based on IEA data show that Iran, Russia, Ukraine, Libya and Venezuela produced around 45 million barrels per day in 2025, accounting for more than 43% of global oil supply.

By Seher Dareen, Anushree Mukherjee and Robert HarveyLONDON Aug 25 (Reuters) - Almost half the world's oil comes from countries affected by conflict in 2026, Reuters calculations…

Iran conflict disrupts global oil supply. Crude oil reaches a new all-time high by December 31 at 12.5% YES.