- J.K. Rowling
- UK ()
J.K. Rowling (UK) is one of only five self-made female billionaires, and the first billion-dollar author according to Forbes, who included her as a billionaire for the first time in their 2004 rich list. The seven Harry Potter books have sold a total of 400 million copies around the world and are published in 55 languages, including Latin and Ancient Greek. According to Forbes, Rowling has grossed over $1 billion (£627 million) for her novels and from related earnings.