Of the world's population aging and the aging of the population in developed countries the same time, China's aging population has intensified. The aging of the population have is social progress and economic development. China's population changes are generally believed to have started in the founding of new China, the mortality rate is initially clear and rapid decline. And the national fertility rate change is the 20th century began in the early 1970s to the national family planning policy intervention and quickly from the high level of fertility to low fertility level. Thus, the aging of the population has led to the burden of the working population growing problems affecting China's social and economic development, as well as the corresponding infrastructure, legal system and other material and the spirit of building the new requirements. In view of this situation the National Committee on Aging issued a "development of the cause of aging," 11th Five-Year "plan" the "11th Five-Year Plan" period, China's old-age security, medical insurance, social relief, and the cause of aging infrastructure construction, older industries, the elderly spiritual and cultural life, and other fields to achieve the objectives 关键词: 人口老龄化 Population old age 人口承担 Population burden 老年社会保障 Old age social security 可持续发展 Sustainable development Aging of Population in China Many countries will experience aging populations in the next century because of declining birth and mortality rates. China will soon join their ranks. According to statistics, the aging of China's population will approach its peak by the middle of the next century,with the percentage of the people aged beyond 60 making up 27.4 percent...