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HIPGDAC-ES: Historical Population Grid Data Compilation for Spain (1900-2021) –Version 0 (beta)–

Author

Listed:
  • Francisco José Goerlich Gisbert

    (Ivie (Instituto Valenciano de Investigaciones Económicas))

Abstract

Historical population grids are scarce or rather nonexistent. This work represents a first effort in this direction. Using historical cadastral data and homogeneous population data at municipal level, constructed in different projects, we generate, for the whole of Spain, population grids with 100m x 100m and 1km x 1km resolutions and all census years from 1900 to 2021.These grids are top-down. The methods used are similar to those used in the generation of population grids for the entire globe in the last decades by combining information from satellite images with demographic information from censuses.Given the richness of cadastral information, and the possibility of going much further back in time than satellite information, we can generate much older population grids. Although far from perfect, these grids provide a better approximation to the distribution of the population in those years than the simple consideration of the municipal population or the count in the settlements derived from the gazet-teers associated with the censuses.The possibility of taking our estimates up to 2021, where we have a bottom-up population grid from the Spanish National Statistical Institute (INE) de-rived from the 2021 census allows us to validate our methods, albeit only for the most recent dates.This database should be considered work in progress, subject to validation through experimentation, and may undergo changes in the future. Las grids de población históricas son escasas o más bien inexistentes. Este trabajo representa un primer esfuerzo en esta dirección. Utilizando datos catastrales históricos y una base de datos homogénea de población a nivel municipal, construidos en diferen-tes proyectos, generamos, para toda España, grids de población con resoluciones de 100m x 100m y 1km x 1km y todos los años censales desde 1900 hasta 2021.Estas grids son top-down. Los métodos utilizados son similares a los utilizados en la generación de grids de población para todo el globo terrestre en las últimas décadas combinando información de imágenes de satélite con información demográfica de censos.Dada la riqueza de la información catastral, y la posibilidad de retroceder mucho más en el tiempo que la información satelital, podemos generar grids de población mucho más antiguas. Aún lejos de ser perfectas, estas grids proporcionan una mejor aproximación a la distribución de la población en aquellos años que la simple consideración de la población municipal o el recuento en los asentamientos derivado de los nomenclátores asociados a los censos.La posibilidad de llevar nuestras estimaciones hasta 2021, donde disponemos de una grid de población bottom-up procedente del Instituto Nacional de Estadística (INE) derivada del censo de 2021, nos permite validar nuestros métodos, aunque sólo para las fechas más recientes.Esta base de datos debe considerarse un trabajo en curso, sujeto a validación mediante experimentación, y puede sufrir cambios en el futuro.

Suggested Citation

  • Francisco José Goerlich Gisbert, 2024. "HIPGDAC-ES: Historical Population Grid Data Compilation for Spain (1900-2021) –Version 0 (beta)–," Working Papers Ivie 2024-02, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie).
  • Handle: RePEc:ivi:wpivie:2024-02
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    File URL: http://www.ivie.es/downloads/docs/wpivie/wpivie-2024-02.pdf
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    More about this item

    Keywords

    Palabras clave: Población; Censos; Grids de pobla-ción; Demografía. Population; Census; Population Grids; Demography.;
    All these keywords.

    JEL classification:

    • J11 - Labor and Demographic Economics - - Demographic Economics - - - Demographic Trends, Macroeconomic Effects, and Forecasts

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