Official nameRépublique Démocratique du Burkina Faso (Democratic Republic of Burkina Faso)CapitalOuagadougouPopulation estimate (2015)18·11 millionInternet domain extension.bfCurrencyThe unit of currency is the franc CFA (XOF).TerritoryBurkina Faso is bounded in the north and west by Mali, east by Niger and south by Benin, Togo, Ghana and Côte d'Ivoire.LanguageFrench is the official language.Source: The Statesman's Yearbook 2018. Palgrave Macmillan, London Synonyms and related words