With old age comes wisdom, they say. Aside from our cultures, our heritage and those quirky nuggets of common sense characteristic of a life lived over a long time, one continues to wonder how they do it. How does a human live so long? What is the secret to a long and healthy life? Such questions must be common for these women, each born in at the turn of the 19th century. These five people are the oldest living people on Earth. And yes, they're all women.

A time before those great-great-uns.

4. Gertrude Weaver

Born on July 4 1898, Gertude Weaver is a loving and passionate grandmother who loves wheelchair dancing and attributes her long life to her strong religious beliefs.

As she puts it, "Be obedient and follow the laws and don't worry about anything. I've followed Him for many, many years and I ain't tired."