What is Research into centenarians?

A centenarian is a person who has attained the age of 100 years or more. Research on centenarians has become more common with clinical and general population studies now having been conducted in France, Hungary, Japan, Italy, Finland, Denmark, the United States, and China. Centenarians are the fastest-growing demographic in much of the developed world. By 2030 it is expected that there will be around a million centenarians worldwide. In the United States, a 2010 Census Bureau report found that more than 80 percent of centenarians are women.