A combination of wealth and youth is everyone's dream. Forbes magazine has published its latest list of the world's youngest billionaires. Among the 1,426 billionaires globally, only 29 are still under the age of 40.

The net worth of those 29 totals around US$119 billion. 10 come from the technology sector, including four from social network giant Facebook; 11 hail from the United States; and five are newcomers to this billionaire elite list.

China's richest woman, 31-year-old Yang Huiyan, ranks fifth with a personal net wealth of US$5.7 billion. She is the daughter of the founder of real estate developer Country Garden Holdings.

Here are the top 10 youngest billionaires in the world as ranked by Forbes.

 Ayman Hariri（艾曼?哈里里）

Age: 35

Net worth: US$1.35 billion

Background: Son of slain Lebanese Prime Minister Rafik Hariri; a member of the board of directors, Saudi Oger

Source of wealth: Construction, investments, inherited

Residence: Riyadh, Saudi Arabia

Country of citizenship: Lebanon

Education: Bachelor of Arts / Science, Georgetown University

Marital status: Married

Children: 1