Members of OPEC

13 countries in our data are members of OPEC.

1🇳🇬Nigeria238m 2🇮🇷Iran92.4m 3🇩🇿Algeria47.4m 4🇮🇶Iraq47.0m 5🇦🇴Angola39.0m 6🇸🇦Saudi Arabia37.0m 7🇻🇪Venezuela28.5m 8🇦🇪United Arab Emirates11.5m 9🇱🇾Libya7.46m 10🇨🇬Republic of the Congo6.48m 11🇰🇼Kuwait4.87m 12🇬🇦Gabon2.59m 13🇬🇶Equatorial Guinea1.94m

Ordered by population. This list is generated from the same fact store the Guess the Country clue engine draws on, so the game and the Atlas can never disagree.

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Constitutional monarchies 40 Absolute monarchies 5 Members of the Commonwealth 55 Members of the African Union 54 Members of NATO 30 Members of the Schengen Area 28 Members of the European Union 26 Members of the G20 19 Members of CARICOM 14 Members of ASEAN 10 Members of the G7 7 Members of Mercosur 5 Members of the Nordic Council 5

Country data from the World Bank (CC BY 4.0) and the UNDP Human Development Report (CC BY 3.0 IGO)
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