• Data reference period
• Place of residence (NUTS - 2013)

• REFERENCE PERIOD:  Period to which the information refers and which may be a specific day or a time interval (month, fiscal year, calendar year, among others).
• RESIDENT POPULATION:  Set of persons who, regardless of being present or absent in a given housing unit at the moment of observation, have lived in the place of their usual residence for a continuous period of 12 months prior to the moment of observation, or have arrived to the place of their usual residence during the period of 12 months prior to the moment of observation, with the purpose of living there for a year, at least.
• REGISTERED UNEMPLOYMENT:  People of a specified minimum age, enrolled at a public employment office, who have no job, are seeking a job and are available for work.

(Monthly average number of young registered unemployment/ Average resident population aged between 25 and 34 years old)*100