Metainformaçao

BUILDING: &nbsp; Any independent free-standing structure comprising one or more rooms or other spaces, covered by a roof, enclosed with external walls or dividing walls which extend from the foundations to the roof, and intended for residential or other purposes.
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).

Metadata

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Mean age of buildings (Year)

Characteristic	Description
Name	Mean age of buildings (Year) by Geographic localization (at the date of Census 2001); Decennial
Regularity	Decennial
Source	Statistics Portugal, Population and housing census - historical series
First available period	1991
Last available period	2001
Dimensions	Data reference period Geographic localization (at the date of Census 2001)
Concepts	BUILDING: Any independent free-standing structure comprising one or more rooms or other spaces, covered by a roof, enclosed with external walls or dividing walls which extend from the foundations to the roof, and intended for residential or other purposes. 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	[(Number of buildings aged in class j * middle point of class j)/ Total buildings]*100
Measure unit (symbol)	Year (Year)
Power of 10	0
Observations
Last update date	15/05/2007