• Data reference period
• Geographic localization (Portugal)

• 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).
• LABOUR FORCE /ACTIVE POPULATION:  All persons aged 15 or over who, during the reference period, made up the available labour force for the production of economic goods and services (employed and unemployed).
• SOCIAL PROTECTION EXPENDITURES:  Expenditures of social protection schemes classified by type, indicating the nature of or reason for the expenditure: social protection benefits, administration costs, transfers to other schemes and other expenditure.

Expenditures of social protection benefits (Old age and survivors)/ Active population