Original sentence: According to Soundscan(which does not include club sales) Spears is the biggest-selling female, and 5th overall, musician of this decade, selling over 34 million albums in the past 10 years.As of August 2008, the album has sold more than 25 million copies worldwide.Spears in the only act in Nielsen SoundScan history to have four albums debut with 500,000 copies or more
Edited sentence: According to Soundscan(which does not include club sales) Spears is the biggest-selling female, and 5th overall, musician of this decade, selling over 34 million albums, only in the United States, in the past 10 years.As of August 2008, the album has sold more than 27 million copies worldwide.Spears in the only act in Nielsen SoundScan history to have five albums debut with 500,000 copies or more