Top 100 best selling singles from 2000 to 2016: This ranking represents the amount of copies sold by each song of the 21st century. The number of copies sold it’s represented by digital downloads and also by physical singles sales. Listed all song with more than 6.4 million singles sold. I didn’t include songs before the 2000s. I only took songs from the 2000 to this year."Top 100 Biggest Selling Songs of the 21st century"