In the last century, the economic and social developments and their changes in health sector ended in increase of life expectancy at birth. Both the rise of the life expectancy at birth and decrease in fertility rate due to the changes in socioeconomic life has been resulted in increase of percentage of elderly population in the world. Demographic change and its effect has been seen much earlier in european countries which located in developed world. This demographic transformation that results in ageing is forcing countries to face new challenges. Because of the increase in average life span and total dependency rate, ageing exert pressure on public expenditure, budgetary disciplines and labour supply. For sustainability of health care, long-term care and other social security instruments, countries facing ageing problem needs to adapt their infrastructures and social policies to new demographic situations.