The participation rate in formal training between 25 and 64 years is estimated at 3.3%, with a confidence interval of 95% +/- 0.2 pts.

The collection rate, which relates the number of successful address cards (FAs) to the number of FAs in the sample, was 69%. The success rate, which relates the number of successful FAs to the number of FAs in the field, is 71.5%. The collection rate varies from 59% for households composed of a single eligible person and unemployed according to the census to 78% for households with at least two eligible persons and without unemployed. It also varies by region; it is in particular 50% in Île-de-France.