The Singapore's 40 richest are now collectively worth $54.4 billion, up by 19 percent compared with last year, despite a slowing economy and weak stock market, Forbes said. There are 13 billionaires on this year's list, compared with 11 last year. Sam Goi, a 62-year-old food tycoon who built his fortune from making spring roll skins, debuted at No. 12 with a net worth of $1.2 billion. To compile the list, public fortunes were calculated using share prices and exchange rates as of July 12. For privately held assets, Forbes Asia estimated their worth if they were made public.

This year Singapore’s wealthy needed a bare minimum of $210 million to qualify for Forbes’ list, up from $190 million in 2010.

The top 10 richest in Singapore are:

1) Ng Family

Net worth: $8.9 billion , Source: Real estate

2) Khoo Family

Net worth: $6.7 billion , Source: Banking

3) Wee Cho Yaw

Net worth: $4.2 billion , Source: Banking

4) Richard Chandler

Net worth: $4 billion , Source: Investments

5) Kwee Brothers

Net worth: $3.9 billion , Source: Real estate

6) Kuok Khoon Hong

Net worth: $3.5 billion , Source: Palm oil

7) Ong Beng Seng & Christina Ong

Net worth: $1.9 billion , Source: Diversified

8) Peter Lim

Net worth: $1.8 billion , Source: Investments

9) Kwek Leng Beng

Net worth: $1.7 billion , Source: diversified

10) Lee Seng Wee

Net worth: $1.4 billion , Source: Banking

[See full list on Forbes.com]

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