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 Crude migratory rate (%)
Characteristic Description
Name Crude migratory rate (%) by Place of residence (NUTS - 2002); Annual
Regularity Annual
Source Statistics Portugal, Demographic indicators
First available period 1992
Last available period 2013
Dimensions
  • Data reference period
  • Place of residence (NUTS - 2002)
Concepts
  • AVERAGE POPULATION:  The average population during a calendar year, generally calculated as the arithmetic mean of the population on two consecutive years.
  • CRUDE RATE OF NET MIGRATION:  The ratio of the net migration during the year to the average population in that year. The value is expressed per 1000 inhabitants.
  • REFERENCE PERIOD:  The length of time for which data are collected, e.g. a specific day, month or year.
Formule CMR = [MB(t-1,t)/ [(P(t-1) + P(t)/2]]*10^n;

MB(t-1,t)=Migratory balance between the moments (t-1) e t;
P(t-1)=Population at moment (t-1);
P(t)=Population at moment t;
n = 2 or 3.
Measure unit (symbol) Percentage (%)
Power of 10  0
Observations
Last update date 16/06/2014


information presented in 11/12/2018