How many oil supertankers are there?

As of recent estimates, there are approximately 600 to 700 oil supertankers in operation worldwide. These vessels are typically classified as Very Large Crude Carriers (VLCCs) and Ultra Large Crude Carriers (ULCCs), which are designed to transport large quantities of crude oil. The exact number can fluctuate based on market conditions, new builds, and decommissioned ships.