This is a dynamic process was first observed in post-industrial European societies in the nineteenth century. The United Nations Conference of Ageing Populations in the context of the family held in Japan in1994 observed that all developed countries at least one demographic issue in common: population aging which was the inevitable consequence of fertility decline. But although fertility decline is usually the driving force behind changing population age structures, changes in mortality assume greater importance as countries reach lower levels of fertility. Ageing of the population is a major phenomenon in the present day world as a result of the.
