According to Forbes’s 2017 billionaires list, Microsoft Co-founder Bill Gates with a wealth of over $86 billion has been ranked first for the eighteenth time in twenty-three years. American businessman and investor Warren Buffett reclaimed the second slot after two years, while Amazon's Jeff Bezos was ranked third. Further, Mark Zuckerberg has been ranked fifth for the first time. Notably, Reliance Industries chairman Mukesh Ambani retained the spot of India's richest person, with a net worth of $23.2 billion.