National Statistics Institute

/ Methodology

Standardised Methodological Report Population and Housing Censuses

Standardised Methodological Report Building Censuses

Censal project

Questionnaries: Population and Housing - Population in group establishments

More about Census 2011

Methodology for the calculation of the Censal population figures

Methodology of the group establishments survey

Methodology for the calcultation of the population linked to the municipality

The Population and Housing Census 2011 has been conceived as an operation combining:

  • A pre-census file created from the maximum use of the available administrative registers, taking the Municipal Register as the basic element of its structure.
  • Fieldwork that includes two large operations:
    • A comprehensive Building Census that enables geo-referencing all buildings.
    • A large sampling survey in order to ascertain characteristics of persons and dwellings.

The population figures have been obtained through the recount of the registers contained in the pre-census file, weighted -when it is necessary- with some recounting elements obtained from the survey.

Questionnaire census 2011

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