The profession refers to the type of work performed by a busy or unemployed person who has worked, irrespective of the branch of economic activity and the professional situation in which the person could be classified. In the case of having more than one occupation, the data refers to the principal, this being the one that the person declares and/ or is collected by administrative registration

Data have been classified according to the 2011 National Classification of Occupations (CN0 2011).