OPEC Share of World Crude Oil Reserves

OPEC share of world crude oil reserves, 2022

Source: OPEC Annual Statistical Bulletin 2023

According to current estimates, 79.5% (1,243.52 billion barrels) of the world's proven oil reserves are located in OPEC Member Countries, with the bulk of OPEC oil reserves in the Middle East, amounting to 67.2% of the OPEC total. 

For more information:

OPEC Annual Statistical Bulletin 2023