Literal question
Language
[] 16. Spanish or Castilian
17. Language or indigenous dialect that the person speaks as a native tongue. Examples: Nahuatl, Otomi, Zapotec, etc. If the person is or was a foreigner write down his/her native tongue, this is, the language he/she spoke during his/her childhood at home. Examples: English, French, Chinese, etc.
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Interviewer instructions
Language
Column 16. Make an (X) in this column when the enumerated currently speaks Spanish or Castellano; do not write these words in column 17.
[P. 20]
Column 17. If the enumerator speaks an indigenous tongue or language as their native tongue, that is to say, that they have spoken it since their infancy in the home, the name of this tongue or language should be written. For example: Náhualt, Zapoteca, Otomí, etc. If the enumerated currently speaks Spanish and an indigenous language or tongue, 2 annotations should be made; an (X) in column 16 and the name of the indigenous language in column 17.
If the enumerated is a foreigner or a Mexican by naturalization, they should be asked what their maternal language is, that is to say, that which they spoke during their infancy in their home. The name of that language is written in column 17, for example: English, French, etc.