6.
Saddam Hussein
Taking the list to another level, we bring a more tragic side of the article where the billionaire politician suffer badly from their political life.
A name fitted for this list, but with a sad and bloody past is Saddam Hussein, the cruel dictator that gave his people only loss and a world of tyranny.
Starting his political career in the army and quickly becoming a military leader helped him gather millions and before he gave the political life, his entire dedication, his net worth went off the roof, by the time he started to take the wrong path his net worth was calculated around $2 billion.
After that we all know that he suffered a bloody and cruel end, making him one of the billionaires who turned into a politician and failed.