Metainformaçao

AVERAGE POPULATION: &nbsp; The average population during a calendar year, generally calculated as the arithmetic mean of the population on two consecutive years.
CRUDE BIRTH RATE: &nbsp; The ratio of the number of births during the year to the average population in that year. The value is expressed per 1000 inhabitants.
REFERENCE PERIOD: &nbsp; Period to which the information refers and which may be a specific day or a time interval (month, fiscal year, calendar year, among others).

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Crude birth rate (‰)

Characteristic	Description
Name	Crude birth 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 BIRTH RATE: The ratio of the number of births during the year to the average population in that year. The value is expressed per 1000 inhabitants. 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	CBR=[LB(t-1, t)/[P(t)+P(t-1)]/2]*10^n; P(t)=Population at moment t; P(t-1)=Population at moment (t-1); LB(t-1,t)=Live births between the moments (t-1) e t; n = 2 ou 3.
Measure unit (symbol)	Permillage (‰)
Power of 10	0
Observations
Last update date	16/06/2014