· his road to riches began when he was a tech-obsessed 13- year -old student at lakeside school in seattle, washington. In 1987, he was listed as a billionaire in forbes magazines first americas richest issue; In 2008, mark zuckerberg took that title when he reached billionaire status. Microsofts ipo in 1986 catapulted gates to billionaire status by 1987, becoming the worlds youngest at the time. He was 31 and he was the youngest self-made billionaire ever at the time – and for a long time afterwards. · gates had an uninterrupted 24-year run as the world’s richest man until 2018 when amazon boss jeff bezos ended his reign to become the first individual worldwide to earn $160 billion in net worth. He dominated forbes wealthiest person list for 18 years between 1995 and 2017, including a 13-year consecutive reign. Gates first became a billionaire in 1987. · when bill gates became a billionaire in 1987 at 31, he was the youngest person to ever join the three comma club. Gates was the worlds youngest-ever self-made billionaire , with a net worth of $1. 25 billion. He was the richest person in the world, according to forbes, from 1995 through 2017 (except in 2008 and from 2010 through 2013). · forbes first listed gates as a billionaire in 1987;