HOW COMMEN ARE CENTENARIANS?

QUESTIONS: HOW COMMEN ARE CENTENARIANS (A centenarian is someone who is a hundred years old or older. Japan has more than 4,000 centenarians.) ?

ANSWERS: IN 1950 THERE WERE 2,300 U.S. CENTENARIANS.

BY 2003 THERE WERE MORE THAN 40,000 PEOPLE AGED MORE THAN 100. ACCORDING TO ONE RESEARCHER THE NUMBER OF CENTENARIANS IS DOUBLING EVERY DECADE.