[The demographic determinants of the aging of the population]. / Los determinantes demograficos del envejecimiento de la poblacion.

PIP: The extent to which changes in the major demographic variables have caused the aging of the population of Mexico is analyzed. These factors include the decline in mortality since 1950, the increase in international migration since 1950, and the decline in fertility since 1963. These effects are illustrated using a series of age pyramids with and without the impact of the factor under consideration.^ieng