All of the information in this list was acquired from Mediatraffic. This list shows the biggest first week sales of albums released this decade worldwide.
IMPORTANT NOTE: Mediatraffic's tracking week starts on Monday and ends on Sunday. Any album released during the week (mid-week) won't have its full first 7-day sales included in its first charting week on Mediatraffic.
1.Born This Way by Lady Gaga - 1.921.000
2.1989 by Taylor Swift - 1.681.000
3.Red by Taylor Swift - 1.459.000
4.The 20/20 Experience by Justin Timberlake - 1.290.000
5.The Marshall Mathers LP 2 by Eminem - 1.221.000
6.Midnight Memories by One Direction - 1.206.000
7.Speak Now by Taylor Swift - 1.149.000
8.Recovery by Eminem - 1.098.000
9.Take Me Home by One Direction - 1.045.000
10.The Carer IV by Lil Wayne - 1.028.000
11.Random Access Memories by Daft Punk - 1.027.000
12.Ghost Stories by Coldplay - 1.023.000
13.Tsugi No Ashiato by AKB 48 - 962.000
14.Babel by Mumford and Suns - 951.000
15. Four by One Direction - 881.000
16.1830m by AKB 48 - 871.000
17. Rock or Bust by AC/DC - 806.000
18.Nothing Was The Same by Drake - 794.000
19.Beyoncé by Beyoncé - 746.000
20.MDNA by Madonna - 740.000
21.Michael by Michael Jackson - 734.000
22.2005-2010 Macro by Mr.Children - 732.000
23.Boku No Miteiru Fukei by Arashi - 731.000
24.Take Care by Drake - 726.000
25.Popcorn by Arashi - 701.000
Artists with multiple entries
3: Arashi, Taylor Swift, One Direction
2: Eminem, Drake, AKB 48