Index of youth

A simple yet clarifier of how Spanish population is aging. Index of youth (% of people < 20 / % of people > 60) from 1991 to 2009.

Source: INE

indice_juventud

 

and the corresponding graph for total population ( Y = millions):

poblacion_1991_2009

 

+ the immigrants one ( Y = thousands):

migrants_1991_2009