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 Ageing ratio (No.)
Characteristic Description
Name Ageing ratio (No.) by Sex; Annual
Regularity Annual
Source Statistics Portugal, Annual estimates of resident population
First available period 1970
Last available period 2022
  • Data reference period
  • Place of residence (Portugal)
  • Sex
  • 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.
  • REFERENCE PERIOD:  The length of time for which data are collected, e.g. a specific day, month or year.
  • AGEING INDEX:  The ratio of the number of elderly persons of an age when they are generally economically inactive (aged 65 and over) to the number of young persons (from 0 to 14).
Formule AR=[(P(65, +)/ P(0, 14)]*10^n

P(65, +)=Resident population with 65 and more years old.
P(0, 14)=Resident population aged between 0 and 14 years old.
Measure unit (symbol) Number (No.)
Power of 10  0
Last update date 15/06/2023

information presented in 15/4/2024