do all countries in south america speak spanish
Languages of South America Portuguese is the majority language of South America, by a small margin. Spanish, with slightly fewer speakers than Portuguese, is the second most spoken language on the continent.[1][2]
Guyana Guyana is the only South American nation in which English is the official language. The majority of the population, however, speak Guyanese Creole, an English-based creole language, as a first language. Guyana is part of the Anglophone Caribbean. CARICOM, of which Guyana is a member, is headquartered in Guyana's capital and largest city, Georgetown. In 2008, the country joined the Union of South American Nations as a founding member.