Bolivia, Per
There are scores of them. The largest are Quechua, Aymara, and Guaraní.
The 3 most common languages in Bolivia are Spanish, Quechua, and Aymara. I don't know how say boy in Quechua or Aymara but in Spanish it is Niño (neen-yo)
Quechua, the language of the Incas, is spoken in the Andes Mountains region of Bolivia, Peru and Chile, as is Aymara. Today, dialects of Quechua are spoken by more people in South America than any other language indigenous to that continent.
Aymara is the closest language to Quechua, as both are indigenous languages spoken in the Andean region of South America. They share some similarities in vocabulary and grammar due to their geographical proximity and historical interactions.
In Bolivia In Bolivia
Spanish, Quechua, and Aymara as well as some English.
The main language spoken in Peru is Spanish. A small population speak only Quechua or Aymara.
Peru
Native American tribes of Bolivia include:AraonaPaiconeTobaZamucoPacahuaraChacoboAymaraPaunaQuechua (Inca)SirionoToromonaBaureTsimaneYaminahuaMovimaChoroteAyoreoCanichanaMatacoTacanoChiquitanoHistorically the Quechua (Inca) and their Aymara rivals were the dominant tribes.
Approximately 85% of the population in Peru speaks Spanish as their first language. Additionally, many people in Peru also speak indigenous languages such as Quechua and Aymara.
Quechua is an indigenous language spoken by the Inca civilization. It is also used to refer to the ethnic group that speaks this language. Quechua was and still is widely spoken in the Andean region of South America.