
The book also scored the biggest week of sales for any book in the U.S. since last November.
According to the data, the book also soared to the top of the bestseller charts in Britain.
Nielsen BookScan, a data provider for the book publishing industry, uses point-of-sale data from some 12,000 retail locations across the U.S. as well as online and e-book retailers.
The biography, written by former managing editor of Time magazine Walter Isaacson, was granted with Jobs' full cooperation even in his final days.
On its first day of public availability, Amazon.com, the world' s largest online retailer, said the book is on pace to outsell every other book sold by the company and may become the top selling book of 2011.
Xinhua