10. Anne Cox Chambers

•  Net Worth: $12 B                                                                      
•  Source of Wealth: media
•  Citizen: United states
•  Age: 93  

Born on 1st December, 1919, aged 93, Anne Cox is the oldest richest woman in the world on this list. Her father was once a Democratic Presidential Candidate in US Elections of year 1920. She is the primary owner of Cox Enterprises. Cox Enterprises was founded by her father James Middleton Cox after taking over a newspaper named Dayton Evening News. She was once a US ambassador to Belgium under the government of Jimmy Carter from 1977-1981.