Finnish is spoken by about five million people, most of whom reside in Finland. There are also notable Finnish-speaking minorities in Sweden, Norway, Russia, Estonia, Brazil, Canada, and the United States. The majority of the population of Finland, 90.37% as of 2010, speak Finnish as their first language.t is one of the two official languages of Finland and an official minority language in Sweden. In Sweden, both standard Finnish and Meaenkieli, meänkieli A finnish, dialect are. Spoken The kven, language a dialect Of, finnish is spoken In Northern. norway