1. Mark Zuckerberg at 30 is the youngest most powerful person in the world right now, according to the latest ranking from Forbes. Photo: Reuters/Robert Galbraith

2. North Korean leader Kim Jong Un, 31, comes in second. Photo: Reuters/KYODO Kyodo

3. Google co-founder Sergey Brin at 41 is third. Photo: Reuters/Andrew Kelly

4. Google CEO Larry Page, 41, is fourth. Photo: Reuters/Eduardo Munoz

5. Tesla Motors Inc CEO Elon Musk, 43 is fifth. Photo: Reuters/Lucy Nicholson

6. Tencent Chairman and CEO Ma Huateng (Pony Ma), 54. Photo: Reuters/Bobby Yip

7. A man purported to be the reclusive leader of the militant Islamic State Abu Bakr al-Baghdadi, 43. Photo: Reuters TV

8. Chinese-language Internet search provider Baidu, Inc. Chairman and CEO Robin Li, 45. Photo: Reuters/Tyrone Siu

9. Vice chairman of Samsung Electronics, Jay Y. Lee, 46. Photo: Reuters/Lee Jae Won

10. Microsoft CEO Satya Nadella, 47. Photo: Reuters/Robert Galbraith