OPEC Member Countries

17 of the 172 countries in Geo Atlas answer yes to the question “Is the country a member of OPEC?”. They are spread across 3 continents, mostly Africa (8). The largest is Algeria (2,381,741 km²) and the smallest Qatar (11,586 km²). The most populous is Indonesia with 273.5 million people; together these countries are home to about 897.6 million people. Each country below links to its full geography profile — then try to find them all on the map in a game.