Portuguese is the official language. Over half of the population speaks it natively, but nearly everyone (95 percent) can communicate in it. Forro, a Portuguese-based creole language spoken natively by 43% of the population and as a second language by an equal number, is the other major language (85 percent in total). So, although 95 percent of the population speaks Portuguese and 85 percent speaks Forro, the official language is still Portuguese.
In general, Portuguese is spoken in the northern portion of the island, whereas Forro is spoken in the southern section. The primary language spoken on the island of Principe is Portuguese.
So Toméans utilize a dialect known as So Toméan Portuguese while speaking Portuguese. In terms of syntax and pronunciation, it is close to Brazilian Portuguese, which is quite different from European Portuguese. Most individuals, however, easily transition to European Portuguese, so neither the Portuguese nor the Brazilians should have any difficulty conversing.
English is almost non-existent in this nation since it is not taught in schools, and English-speaking visitors are likewise few; however, you will have better success with French, which is taught in schools and is therefore widely spoken.
So, in order to get along, you’ll need to know either Portuguese, Forro, or French.