Bill Gates could become world’s first trillionaire: Oxfam

Microsoft Co-founder Bill Gates could become the world's first trillionaire in the next 25 years, according to research firm Oxfam International. Gates, currently the world's richest person with a net worth of $84.8 billion, will be 86 years old when he is predicted to become a trillionaire. His fortune is growing at 11% per year since 2009, the report added.