A centenarian is someone who is over the age of 100—an age that few people live to see. The nation with the longest average life expectancy is Hong Kong, which has a life expectancy of 85.77 years.
While some countries have populations that live longer than others, no nation has an abundance of people with such an impressive lifespan. But there are some countries that have a higher concentration of those living over the age of 100.
Do you think your country makes the list? Check out the gallery to find out.