- Reading, numeracy and oral comprehension skills;
- Mother tongues, languages that people learn to read and currently speak;
- Difficulties during school careers;
- Job finding procedures;
- Reading-related leisure activities;
- If necessary, the procedures used to circumvent difficulties encountered in daily life.

In order to achieve a better understanding of the pathways through life of the people surveyed, a background questionnaire is proposed, which covers their origins, their places of residence, schooling in France or elsewhere, etc.

Individuals aged 16 to 65 in « ordinary" households, i.e. excluding institutional collective housing units (prisons, hospitals, etc.).