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

• 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).
• PRIMARY AND LOWER SECONDARY EDUCATION:  Level of education that aims to ensure learning at an elementary or intermediate level of complexity, allowing the pursuit of studies or entry into the labour market.
• 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.
• PRE-PRIMARY EDUCATION:  First stage of education for children between the age of 3 and the age of entry into primary education that is provided in pre-schools or primary and lower secondary schools.

Resident population aged 4 to 5 years old enroled in early education / Resident population aged 4 to 5 years old