''In Britain's Got Talent she opened her mouth and the world fell in love with her, which is why her album has been the fastest selling of any woman making her debut. She''''s amazing,'' he added.
Martin Talbot, of the Official Charts Company, said: ''Susan Boyle's achievement is quite phenomenal. After all of the excitement surrounding her appearance on Britain''''s Got Talent, everyone expected her to make a big impact when she released her first music - but to arrive with such a bang is exceptional.''
Elsewhere in the chart, Lady Gaga's The Fame Monster reached number seven. Last week's number one, Leona Lewis's Echo, dropped to number five, while Robbie Williams's Reality Killed The Video Star fell five places to number nine.
The top ten albums are:
1. Susan Boyle: I Dreamed A Dream
2. JLS: JLS
3. Black Eyed Peas: The E.N.D.
4. Queen: Absolute Greatest
5. Leona Lewis: Echo
6. Michael Buble: Crazy Love
7. Lady Gaga: The Fame Monster
8. Snow Patrol: Up To Now
9. Robbie Williams: Reality Killed The Video Star
10. Will Young: The Hits