Which one of the following countries is not a member of OPEC(Organization of Petroleum Exporting Countries)? A) Algeria B) Nigeria C) Venezuela D) UK Related MCQs: Which one of the following countries is not a member of OPEC? Which country is not a member of OPEC? Which of the following countries is not member of the “Club of the Rich countries (G-8)”? Which has withdrawn its membership from OPEC?