The occupied labour force "in the sense of the ILO" includes the persons (aged 15 years or older) who have worked (even for one hour) in the course of a given week (called reference week), be they salaried, self-employed or helpers in an enterprise or a family operation. It also includes persons who have a job but who are temporarily absent for reasons such as sickness (less than one year), paid leave, maternity leave, industrial dispute, training, bad weather, etc. National servicemen, apprentices and paid interns are included in the occupied labour force.