[Population density, total population, and levels of demographic aging in the province of Guadalajara (Spain) in 1981]. / Densidades, poblacion absoluta, y grados de envejecimiento de la poblacion en la provincia de Guadalajara (Espana) en 1981.

PIP: This report contains tables, charts, and maps showing the effects of migration to Madrid on the age structure, density, and geographic distribution of the population of the province of Guadalajara, Spain. The focus is on the period 1960-1981 (SUMMARY IN ENG)^ieng

[The aging of the population of Aragon (1900-1981)]. / El envejecimiento de la poblacion de Aragon (1900-1981).

PIP: The age structure of the population of Aragon, Spain, its three constituent provinces, and their provincial capitals is first described. The second part of the study examines trends in demographic aging in the region since 1900 and changes in the spatial distribution of the population between 1950 and 1981^ieng