Centre d'Estudis Demogrāfics
in collaboration with
Minnesota Population Center
METADATA :: Sample characteristics ::
Census of Population and Housing 1991, Spain
Instituto Nacional de Estadisticas (INE)
The census includes persons who have a fixed residence in the national territory as well as those who are in the national territory at the time of reference, without omissions nor duplications.The persons who have their residency in Spain constitute the fixed population [population with rights]. The persons who are in the national territory at the moment of the census form the actual population [de facto].
De jure or de facto
1 March 1991
Field work period
1 March-1 April 1991
Enumeration forms used
There are five forms: general questionnaire, individual questionnaire, collective [dwelling] questionnaire, secondary dwellings with no registered dwellers, and 1990 building questionnaire.
Type of field work
The questionnaires are prepared to utilize the method of self-enumeration, with which the mission of the Agent is reduced, generally, to the tasks of delivering and collecting the questionnaires and verifying the correct completion of the same.
Microdata sample characteristics
Sample microdata source
Integrated European Census Microdata
Systematic stratified sampling
Sample fraction (private households)
Sample fraction (institutional households)
Sample size (person records)
Sample size (private households)
Sample size (institutional households)
Computed by census agency and should be used for most types of analysis
A dwelling is a structurally separate and independent location that, given the way it was built, rebuilt, transformed, or adapted, is conceived to be inhabited by persons, or, even if this is not the case, is effectively and actually inhabited at the time of the census.
Group of people who, residing in the same dwelling, share expenses derived from the use of the dwelling and/or alimentation. Single person and multiperson households are to be considered.
Collective dwellings are those dwellings or buildings designed to be occupied by persons who do not constitute a family, subject to a common regime or authority, or gathered by common objectives or interests.
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Universitat Autōnoma de Barcelona
(08193) Bellaterra - Spain