little more entertaining statistics from the world's great capitals. The wealthiest woman in the world, according to estimates BRW Magazine, is an Australian gornopromyshlennitsa Gina Rinehart. It produces about $ 50 million daily, and her general condition is estimated at $ 30 billion. Iron ore, therefore, a much more profitable business than retail (Christy Walton, owner of Wal-Mart, $ 25, 3 billion.) Or women's mental anguish Live (Oprah Winfrey, $ 2, $ 7 billion.) The past year was particularly successful for Mrs Rinehart: in 2011 it increased its capital by $ 19 billion.