According to the US Forbes magazine website, there are 4 successful entrepreneurs in the US and the UK who have started their own businesses. These young people start their business before the age of 15, and their personal assets exceed 1 million dollars before the age of 20.

Doherty, the 14 year old boy in Edinburgh, England, likes to make jam with her grandmother's recipe at home. Fraser Doherty, a boy in the UK, likes to make jam in the kitchen.

Soon, Doherty received the first order of jam.

At the age of 16, Doherty chose to give up his studies and devote all his time to his jam business.

Waitrose supermarket in England approached Doherty, hoping to sell his "super jam".

A few months later, "super jam" began to appear on the shelves of the 184 chain stores of the company.

Since then, the British retail giant Tesco has also bought "super jam" and sold it in its 300 chain stores.

"Super jam" sold $750 thousand last year, and it expects to sell 50 thousand cans of jam in 2008, with annual sales of $1 million 500 thousand.

Doherty, 19, has more than $1 million in personal assets.

The secret of Johnson's business: selling greeting cards to save the first barrel of gold, and getting his sister's toys 10 times earnings. Virginia, a 9 year old boy Cameron Johnson, invited her parents' holiday party to start their first business in life.

At the age of 11, thousands of dollars were saved by selling greeting cards, and named "joy and tears" for their company.

When Johnson was 12 years old, he bought 100 full bean dolls made by TY company, which was saved by his sister at the age of 100, and gained 10 times earnings through the sale of eBay website.

Then he contacted TY and bought the "Doudou baby" in batches. He sold $50 thousand by less than a year after selling it through eBay and the website of joy and tears.

He then used the money as a principal to create a My EZ Mail mail service system that could keep confidential personal information for his customers.

Two years later, the company benefited 3000 dollars a month.

In 1997, Johnson and two other young people co founded Surfingpries network advertising company to get huge profits and assets over 1 million dollars.

Cook and his brother and sister: the secret of starting a business: to put the graduation album on the Internet and to organize social networking sites. The annual income is up to 7 digits. The 15 year old girl Catherine Cook and her 17 year old brother Dave Cook read the high school graduation album.

So they persuaded brother Geoff to invest $250 thousand to help them build My Yearbook.com social networking sites for high school students.

The website was raised from Vc firms to US $4 million 100 thousand in 2006. Since then, it has started to develop its business. Disney, American Broadcasting Company (ABC) and so on have become advertisers.

Now, My Yearbook.com has 3 million users worldwide, with an annual revenue of 7 digits.