Official: French
Republic of the Congo has a population of 6.1 million and is home to a small number of language communities, with 2 languages meeting our inclusion threshold. French serves as the official language. Of the languages spoken in Republic of the Congo, 2 are supported by LEXIGO's professional translation services.
"French (official), French Lingala and Monokutuba (trade languages), many local languages and dialects (of which Kikongo is the most widespread)"