A centenarian is a person, who is at least 100 years old. Centenarians are honored by television shows such as NBC's Today show, where, each day, a of at is the When this first started a number of years ago, there were days when no one was honored Recently, however, the number of centenarians, has increased so dramatically that those shown are selected in a random drawing. The last census report that there were over 35,000 centenarians living in the United States, more than double the number ten years ago. The U.S. Census Bureau estimates that within a hundred years, there will be more than one million centenarians in the country