The number of pensioners is growing steadily. Over the last three decades the number of people over 60 years has doubled. The proportion of older people increases, and the "old" countries are all new and new States. Over the past half century, life expectancy increased from 47 to 69 years, and even after 50 years will be 76.
The main reason is to improve the quality of medical services, strengthening health programmes in developed and developing countries, increasing access to education and overall economic well-being. All this can not but rejoice, but increasing group of older people carries and some economic problems.
The growing group of older people causes problems in the formation of the pension system and social budgets that directly affects tax revenues, which are "fed" pensioners. This may affect the quality of life for all population groups.
The first such problem faced Japan, where about 25% of the population is 65 years. Close rate in South Korea, which, coupled with low fertility can result in a certain kind of crisis.
Some problems experiencing the United States, where health insurance elderly period of more than ten percent of GDP. An even greater percentage of GDP spent in Europe.
But you should not consider this fact in a negative light. The beginning of action on adaptation to changing demographic has already started. A large part of the elderly population can contribute to the development of society and the state, the main thing is proper and adequate approach.