Brasilia, May 29 (Mercopress-RHC) -- Brazil, Argentina and Chile presidents figure among the list of the 25 most powerful women in the world according to the latest release from Forbes.

Dilma Rousseff ranks in fourth place, Cristina Fernandez, in 19th and Michele Bachelet come in at 25. Only nine heads of state figure in the 100 names list.

Forbes describes Rousseff as one of the world's most powerful heads of state. This year's list has Germany's Angela Merkel again in first place and second is Janet Yellen, the new head of the U.S. Federal Reserve and the first woman to occupy such a post. Michelle Obama, U.S. First Lady is in eighth place.

The list also includes other powerful women in business and technology such as the CEOs from Yahoo, Facebook, IBM and Youtube, and Melinda Gates, the wife of Microsoft Bill Gates, who came in at Number 3.

Among ladies involved in entertainment and media business Oprah Winfrey ranks 14th on the list -- three places ahead of Beyoncé Knowles.