Global fleet of oil tankers by type April 2020
seaborne transportation of crude oil amounted to 1.86 billion metric tons.
As of April 2020, there were 810 very large crude carriers (VLCCs) worldwide. Oil tankers, also known as petroleum tankers, are paramount for transporting oil from their extraction site to refineries or further onwards to distribution centers. Vessels vary in size depending on the area or canal they need to traverse, with VLCCs having a storage capacity of around two million barrels of crude oil. In 2020,