| Album Title | Release date | us | uk | aus | bra | ger | can | ita | esp | fra |
|---|---|---|---|---|---|---|---|---|---|---|
| DEBUT HALF ALBUM 'WELCOME BACK' - EP | 01 Oct 15 | 27 | 85 | 46 | 72 | 26 | 46 | 36 | ||
| FLASHBACK - EP | 7 | 35 | 7 | 1 | 9 | 4 | 5 | 13 | 18 | |
| i DECIDE - EP | 12 | 21 | 15 | 20 | 13 | 8 | 37 | 6 | 8 | |
| NEW KIDS : CONTINUE | 11 | 37 | 27 | 3 | 9 | 9 | 22 | 9 | 14 | |
| NEW KIDS : THE FINAL - EP | 11 | 44 | 18 | 1 | 20 | 9 | 13 | 3 | 19 | |
| NEW KIDS REPACKAGE : THE NEW KIDS | 97 | 35 | 74 | |||||||
| NEW KIDS: BEGIN - EP | 31 | 55 | 36 | 7 | 24 | 33 | 89 | 4 | 17 | |
| Return | 6 | 45 | 41 | 4 | 21 | 10 | 34 | 8 | 21 | |
| TAKE OFF | 33 | 30 | 30 | 38 | 10 | 10 |