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

• 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.
• -:  -
• SEX:  Biological and physiological characteristics that define men and women.
• 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 aged between 18 and 24 years old, with complete level of education until 3rd. cycle lower secundary education who not received any education (formal or non formal) in reference period/ Resident population aged between 18 and 24 years old]*100

REFERENCE PERIOD: Reference week or three weeks preceding the reference week.