Forbes magazine has released its 33rd annual ranking of the world's billionaires.<br />Just over 21-hundred billionaires made this year's list, slightly lower than the year before. <br />Their total combined net worth is 8.7 trillion dollars, down from 9.1 trillion in 2018.<br />This year marks the first decrease in billionaires and their combined wealth since 2016.<br />One notable new addition is Kylie Jenner, who has become the world's youngest "self-made" billionaire, according to Forbes.<br />The magazine has received a heap of criticism for dubbing the youngest member of the wealthy Kardashian family a "self-made" billionaire.<br />Amazon CEO Jeff Bezos retains the top spot. <br />A total of 40 Koreans made the list, including Samsung Electronics Chairman Lee Kun-hee, who sits in 65th place, and Celltrion boss Seo Jeong-jin who stands 181st. <br />