The Republic of Argentina has not established, legally, an official language; however, Spanish has been utilized since the founding of the Argentine state by the administration of the Republic and is used in education in all public establishments, so much so that in basic and secondary levels there is a mandatory subject of Spanish.

English is another important language in Argentina and is obligatory in primary school instruction in various provinces. Argentina is the only Latin American country characterized as "high aptitude" in English, being placed 15th globally in the year 2015, according to a report from the English Aptitude Index.

Guarani and Quechua are other important languages in Argentina with 200,000 speakers and 65,000 speakers respectively.

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