Members of the OAPEC:
Organization for Arabian Petroleum Exporting Countries
The OAPEC is a trade agreement of currently 11 countries in Western Asia and in Northern Africa.
All member states comprise a total area of 8.19 million km² and about 276.16 million people. This is 5.4% of the habitable area around the world and 3.6% of the world population. With an economic output of 2,182.42 bn US dollars annually, they represent around 3 percent of the global economy.