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 2,110.92 billion US dollars annually, they represent around 2.5 percent of the global economy. The value of all exported goods of these 11 countries was 492.13 billion US dollars per year at last count.

Official website:
Map of member countries: OAPEC - Organization for Arabian Petroleum Exporting Countries
Algeria43.85 M2,382,000 km²145.01 bn US$
Bahrain1.70 M778 km²34.73 bn US$
Egypt102.33 M1,001,000 km²365.25 bn US$
Iraq40.22 M435,000 km²166.76 bn US$
Kuwait4.27 M18,000 km²105.96 bn US$
Libya6.87 M1,760,000 km²25.42 bn US$
Qatar2.88 M12,000 km²144.41 bn US$
Saudi Arabia34.81 M2,150,000 km²700.12 bn US$
Syria17.50 M185,000 km²22.78 bn US$
Tunisia11.82 M164,000 km²41.62 bn US$
United Arab Emirates9.89 M84,000 km²358.87 bn US$