6. Khun Sa:
Fortune: 5 billion
Khun Sa was born in Burma, and he was in the Burmese Army in Kuomkintang. After some time, he fought and established a territory that allowed him to do his opium smuggling in the Golden Triangle temple. He was known as the Opium King. When the American Drug Enforcement Agency stopped his connections to the international brokers, he then closed his operations and went to live large with a mistress in Yangon.