Exploring the Upsurge in Global Oil Demand and Its Impact on Upstream Petroleum We weren’t able to create a summary for you. Refresh your page to try again. Mar 19, 2026 · New global realities — an oil demand plateau, supply chain volatility and investor demand for cash — are shaping the revival of oil and gas production. Mar 19, 2026 · New global realities — an oil demand plateau, supply chain volatility and investor demand for cash — are shaping the revival of oil and gas production. Oil companies such as BP have also indicated they think the globaldemand for oil is in decline . So, what lies behind these numbers – and what is preventing a faster decline? BBC Future here digs into the huge global changes happening behind these predictions. How much oil does Iran have? Iran is home to the world’s fourth largest proven oil reserves, holding up to 170bn barrels of oil, or about 9% of all global crude. It is behind only Venezuela, Saudi Arabia and Canada as the largest country by domestic oil reserves. The oil market saw demand in freefall, global storage filling quickly and large-scale volatility, as well as millions of oil industry jobs threatened. This propelled OPEC andits partners in the DoC to intensify their collaborative efforts to restore much-needed stability... Amount of Oil left in the world based on proven gas reserves and current global consumption levels. World Oil reserves, production, and consumption by year and by country, imports, exports, charts and list. Top oil production by country.