1. Lee Hsien Loong
Lee Hsien is the Singapore politician and the third and current Prime Minister of Singapore and has been incumbent the Prime Minister office since 2004. Lee Hsien is the eldest son the former Prime Minister of Singapore Lee Kuan Yew. Before he becomes the Prime Minister of Singapore he also served as the Minister of Finance, Minister of Trade and Industry and the Deputy Prime Minister. He is married to the Ho Ching and she is the CEO of the Temasek Holdings since 2002 and she is also listed as the 59th most powerful women of the world. Lee Hsien estimated net worth is US $ 80 million and he is ranked at first in the list of top 10 richest politician of Singapore.