Period : From now to 31.3.2022. Fees to change from 25.12.2021. 
Languages of countries in South America continent

Argentina
Spanish, Italian, English, German, French, Indigenous (Mapudungun, Quechua)

Bolivia
Spanish 60.7%, Quechua 21.2%, Aymara 14.6%, foreign languages 2.4%, Guarani 0.6%, other native languages 0.4%, none 0.1%

Brazil
Portuguese

Chile
Spanish 99.5%, English 10.2%, indigenous 1%, other 2.3%, unspecified 0.2%; note: shares sum to more than 100% because some respondents gave more than one answer on the census

Colombia
Spanish

Ecuador
Spanish (Castilian) 93%, Quechua 4.1%, other indigenous 0.7%, foreign 2.2%

Guyana
English, Guyanese Creole, Amerindian languages (including Caribbean and Arawak languages), Indian languages (including Caribbean Hindustani, a dialect of Hindi), Chinese

Paraguay
Spanish (official) and Guarani (official) 46.3%, only Guarani 34%, only Spanish 15.2%, other (includes Portuguese, German, other indigenous languages) 4.1% , no response .4%

Peru
Spanish 82.9%, Quechua 13.6%, Aymara 1.6%, Ashaninka 0.3%, other 1.1%,or unspecified .7%

Suriname
Dutch (official), English (widely spoken), Sranang Tongo (Surinamese, sometimes called Taki-Taki, is the native language of Creoles and much of the younger population and is the lingua franca among others), Caribbean Hindustani (a dialect of Hindi), Javanese

Uruguay
Spanish

Venezuela
Spanish, numerous indigenous dialects