6. Chiam See Tong
Chiam See Tong is the Singaporean lawyer and politician and the longest serving opposition leader of the Singapore Parliament and represents the Potong Paisr constituency in the parliament from 1984 to 2011.
He was the founding member of the SDP Singapore Democratic Party and he left the party prior to the 1997 general election and joins the SPP Singapore People’s Party.
Cham See estimated net worth is US $ 37 million and he is ranked at No. 6 in the list of top 10 richest politician of Singapore.