| Title | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| 21 (CD, Album) | XL Recordings | XLCD 520 | UK | 2011 | |
| 21 (11xFile, MP3, Album, 320) | XL Recordings, Columbia | none | UK | 2011 | |
| 21 (2xCD, Album, Ltd, Tar) | XL Recordings | 88697827342 | US | 2011 | |
| 21 (CD, Album) | XL Recordings, Warner Music Hong Kong Ltd. | 5052498609123 | Hong Kong | 2011 | |
| 21 (CD, Album) | Sony Music, XL Recordings, Columbia | 886974469926, | Mexico | 2011 | |
| 21 (CD, Album) | XL Recordings | XLCD 520 | Australia & New Zealand | 2011 | |
| 21 (CD, Album) | XL Recordings | 88697 44699 2 | US | 2011 | |
| 21 (CD, Album) | Hostess | XLCD520J | Japan | 2011 | |
| 21 (CD, Album) | Sony Music | 88697446992 | Brazil | 2011 | |
| 21 (CD, Album) | XL Recordings | XLCD 520 | UK | 2011 | |
| 21 (CD, Album, Ltd) | XL Recordings | HN826CDE | 2011 | ||
| 21 (CD, Album, Ltd) | XL Recordings | XLCD 520 E | UK & Europe | 2011 | |
| 21 (CD, Album, Ltd + CD, Single) | High Note Records, XL Recordings, High Note Records, XL Recordings | HN826CD, HN826CDX | Taiwan | 2011 | |
| 21 (CD, Album, Ltd, Ama) | XL Recordings, XL Recordings | XLCD520AMZ, XLCD 520 | UK | 2011 | |
| 21 (CD, Album, Unofficial) | XL Recordings (2) | HN826CD | China | 2011 | |
| 21 (LP, Album) | XL Recordings | XLLP 520 | UK | 2011 | |
| 21 (LP, Album) | XL Recordings, Columbia | 88697 446 991, C 7447699 | US | 2011 |
referencing 21, CD, Album, 88697 44699 2
referencing 21, CD, Album, XLCD 520
referencing 21, CD, Album, 88697 44699 2
Disclaimer: Videos may not match exact release