The Centenarian Population: 2007–2011

"Centenarians, people 100 years or older, made up a very small portion of the total population in the

2007–2011 ACS, accounting for 55,000 people (0.02 percent).  By comparison, the 65 years and over 

population accounted for 40 million people or 13 percent of the total population..."

Centenarian Population

2010 Census: Centenarians

"The 2010 Census counted 53,364 people age 100 and older in the United States, and they were overwhelmingly female. For every 100 centenarian women, there were only 20.7 centenarian men.

These figures come from a special report released today based on the 2010 Census that provides a portrait of the centenarian population in the United States describing their age, sex, race, Hispanic origin and living arrangement characteristics. The report, Centenarians: 2010, also compares centenarians with other age groups in the older population..

2010 Census: Centenarians