This question should be asked only for persons 10 years old or older.
Mark the box "Yes" when a person can read and write a simple paragraph in any language. The box "No" should be marked for four groups of persons, namely:
22.1.- Those who do not know how to read or write a simple paragraph.
22.2.- Those who only know how to read.
22.3.- Those who only know how to sign and/or write their name.
Those who at one time knew how to read and write but have forgotten it.