Analysis of information sources in references of the Wikipedia article "Bahasa Spanyol" in Indonesian language version.
Spanish (official) 84.1%, Quechua (official) 13%, Aymara 1.7%, Ashaninka 0.3%, other native languages (includes a large number of minor Amazonian languages) 0.7%, other 0.2%
Spanish (official) 60%, Amerindian languages 40%
There are 1,098,244 people who speak other language as their mother tongue (main languages: Chinese 400,000, Portuguese 254,000, Wayuu 199,000, Arabic 110,000)
There are 5,782,260 people who speak other language as mother tongue (main languages: Quechua (among 32 Quechua's varieties) 4,773,900, Aymara (2 varieties) 661 000, Chinese 100,000).
There are 281,600 people who speak another language, mainly Mapudungun (250.000)
Spanish (official) 60%, Amerindian languages 40%