Complex sentence: The album debuted at number one on the US "Billboard" 200 and had the second highest album sales of 2013.As of December 3,2014, the album has sold 2,244,000 copies in the United States according to Nielsen Soundscan and 4,210,000 copies worldwide.
Split into simpler sentences: The album debuted at number one on the US "Billboard" 200 and had the second highest album sales of 2013. To date, the album has sold 2,244,000 copies in the United States according to Nielsen Soundscan and 4,210,000 copies worldwide.