<P> As of 2011, 8 of the 12 OPEC nations are within the MENA region . </P> <P> Islam is by far the dominant religion in nearly all of the MENA territories; 91.2% of the population is Muslim . The Middle East - North Africa region comprises 20 countries and territories with an estimated Muslim population of 315 million or about 23% of the world's Muslim population . The term "MENA" is often defined in part in relation to majority Muslim countries that based on the countries located in the region, although several nations in the region are not majority Muslim - dominated . </P> <P> From April 2013, the International Monetary Fund started using a new analytical region called MENAP (Middle East, North Africa, Afghanistan, and Pakistan), which adds Afghanistan and Pakistan to MENA countries . Now MENAP is prominent economic grouping in IMF reports . </P> <P> The term MENAT has been used to include Turkey in the list of MENA countries . </P>

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