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 Mean age of mother at birth of first child (Years)
Characteristic Description
Name Mean age of mother at birth of first child (Years) by Place of residence (NUTS - 2002); Annual
Regularity Annual
Source Statistics Portugal, Demographic indicators
First available period 1990
Last available period 2013
  • Data reference period
  • Place of residence (NUTS - 2002)
  • MEAN AGE OF WOMEN AT FIRST BIRTH:  The mean age of women when their first child is born, during a given period, usually a calendar year.
  • 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.
Measure unit (symbol) Year (Year)
Power of 10  0
Observations For a given calendar year, the mean age of the mother at the birth of the first child is calculated using the number of first-order births by the ages of the mothers
Last update date 24/08/2015

information presented in 9/4/2020