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 Potential sustainability ratio (No.)
Characteristic Description
Name Potential sustainability ratio (No.) by Place of residence (at the date of Census 2001); Decennial
Regularity Decennial
Source Statistics Portugal, Population and housing census - 2001
First available period 2001
Last available period 2001
Dimensions
  • Data reference period
  • Geographic localization (Portugal)
Concepts
  • RESIDENT POPULATION:  The persons who regardless of the fact that at the moment of observation ' 0:00 a.m. of the reference day ' are present or absent in a given housing unit, this unit being where they live during most of the year with their family, or where they have all or most of their belongings.
  • POTENTIAL SUSTAINABILITY INDEX:  The ratio between the working-age population and the elderly population, normally defined as the quotient between the number of people aged between 15 and 64 years and the number of people aged 65 and over (usually expressed as 100 (10^2) people aged 65 and over).
  • ENTERPRISE:  Legal entity (natural or legal person) that is an organisational unit producing goods or services, which benefits from a certain degree of autonomy in decision-making, especially for the allocation of its current resources. An enterprise carries out one or more activities at one or more locations.
  • 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).
Formule PSR=[(P(15, 64)/ P(65, +)]*10^n

P(15, 64)=Resident population aged between 15 and 64 years old.
P(65, +)=Resident population with 65 and more years old.
n=2.
Measure unit (symbol) Number (No.)
Power of 10  0
Observations
Last update date 01/12/2011


information presented in 29/10/2025