1950c, 1981c, 1991c, 2001c, 2011c, 2014e. Legend: e-estimate, c-census, o-other, ..
* Unofficial, calculated population.
• Instituto Nacional de Estadística, España
• censo de 1960, 1970, 1981, 1991, 2001 uab.eu xls, Ret. 2015-12-05
• De facto populations from 1900 to 1991. Official figures from the respective Censuses
• Censos de Población y Viviendas 2011 pdf
 City density map, generated by population.city using data provided to us by 1km.net website. Every circle is city with population over 5000. Link
Population density map generated by instructions from daysleeperrr on reddig. Link1
Used data source is the Gridded Population of the World (GPW), v3 online at the the Socioeconomic Data and Applications Center (SEDAC) at Columbia University. Link2
Additional urban land cover: Extracted from Global Land Cover Characteristics Data Base Version 2.0 and Binary MOD12Q1 data on shadedrelief.com. Link3