Elon Musk is likely to become the world's first trillionaire by 2027, according to Informa Connect Academy's report based on average annual growth rate of wealth. Gautam Adani will be second to achieve trillionaire status, followed by Jensen Huang. Bernard Arnault and Mark Zuckerberg are estimated to become trillionaires by 2030, while Mukesh Ambani could reach the milestone by 2033.