| Chart Date | Chart | Rank | |
|---|---|---|---|
| 02 Dec 2001 | Top 40 Albums | 3 | |
| 09 Dec 2001 | Top 40 Albums | 6 | |
| 16 Dec 2001 | Top 40 Albums | 12 | |
| 23 Dec 2001 | Top 40 Albums | 42 | |
| 20 Jan 2002 | Top 40 Albums | 41 | |
| 27 Jan 2002 | Top 40 Albums | 23 | |
| 03 Feb 2002 | Top 40 Albums | 38 | |
| 10 Feb 2002 | Top 40 Albums | 46 | |
| 17 Feb 2002 | Not Listed | - | |
| 24 Feb 2002 | Top 40 Albums | 42 | |
| 03 Mar 2002 | Not Listed | - | |
| 10 Mar 2002 | Top 40 Albums | 23 | |
| 17 Mar 2002 | Top 40 Albums | 26 | |
| 24 Mar 2002 | Top 40 Albums | 23 | |
| 31 Mar 2002 | Top 40 Albums | 37 | |
| 07 Apr 2002 | Top 40 Albums | 39 | |
| 14 Apr 2002 | Top 40 Albums | 27 | |
| 21 Apr 2002 | Top 40 Albums | 15 | |
| 28 Apr 2002 | Top 40 Albums | 32 | |
| 05 May 2002 | Top 40 Albums | 12 | |
| 12 May 2002 | Top 40 Albums | 34 | |
| 19 May 2002 | Top 40 Albums | 24 | |
| 26 May 2002 | Top 40 Albums | 16 | |
| 02 Jun 2002 | Top 40 Albums | 27 | |
| 09 Jun 2002 | Top 40 Albums | 17 | |
| 16 Jun 2002 | Top 40 Albums | 21 | |
| 23 Jun 2002 | Top 40 Albums | 50 | |
| 30 Jun 2002 | Top 40 Albums | 39 | |
| 07 Jul 2002 | Top 40 Albums | 35 | |
| 14 Jul 2002 | Top 40 Albums | 27 | |
| 21 Jul 2002 | Top 40 Albums | 25 | |
| 28 Jul 2002 | Top 40 Albums | 22 | |
| 04 Aug 2002 | Top 40 Albums | 12 | |
| 11 Aug 2002 | Top 40 Albums | 8 | |
| 18 Aug 2002 | Top 40 Albums | 11 | |
| 25 Aug 2002 | Top 40 Albums | 12 | |
| 01 Sep 2002 | Top 40 Albums | 17 | |
| 08 Sep 2002 | Top 40 Albums | 22 | |
| 15 Sep 2002 | Top 40 Albums | 24 | |
| 22 Sep 2002 | Top 40 Albums | 23 | |
| 29 Sep 2002 | Top 40 Albums | 28 | |
| 06 Oct 2002 | Top 40 Albums | 37 | |
| 13 Oct 2002 | Top 40 Albums | 42 |
| Title | Type | Debut | Weeks | Best |
|---|---|---|---|---|
| Back Home | Top 40 Albums | 12 Nov 2007 | 9 | 12 |
| Bop Bop Baby | Top 40 Singles | 04 Aug 2002 | 15 | 21 |
| Coast To Coast | Top 40 Albums | 17 Dec 2000 | 36 | 2 |
| Flying Without Wings | Top 40 Singles | 12 Dec 1999 | 21 | 6 |
| Gravity | Top 40 Albums | 06 Dec 2010 | 6 | 22 |
| Greatest Hits | Top 40 Albums | 08 Dec 2002 | 7 | 13 |
| Hey Whatever | Top 40 Singles | 02 Nov 2003 | 8 | 39 |
| I Have A Dream/Seasons In The Sun | Top 40 Singles | 09 Apr 2000 | 6 | 10 |
| I Lay My Love On You | Top 40 Singles | 25 Mar 2001 | 8 | 24 |
| If I Let You Go | Top 40 Singles | 10 Oct 1999 | 11 | 8 |
| My Love | Top 40 Singles | 03 Dec 2000 | 19 | 3 |
| Queen Of My Heart | Top 40 Singles | 25 Nov 2001 | 17 | 4 |
| Swear It Again | Top 40 Singles | 13 Jun 1999 | 16 | 1 |
| The Love Album | Top 40 Albums | 27 Nov 2006 | 15 | 2 |
| Turnaround | Top 40 Albums | 07 Dec 2003 | 3 | 42 |
| Unbreakable | Top 40 Singles | 15 Dec 2002 | 4 | 44 |
| Unbreakable: 2008 Nz Tour Edition | Top 40 Albums | 10 Mar 2008 | 15 | 1 |
| Unbreakable: The Greatest Hits | Top 40 Albums | 01 Dec 2002 | 11 | 4 |
| Uptown Girl | Top 40 Singles | 13 May 2001 | 16 | 4 |
| Westlife | Top 40 Albums | 12 Mar 2000 | 17 | 5 |
| Westlife Ltd Ed | Top 40 Albums | 09 Jul 2000 | 9 | 25 |
| Westlife Special Edition | Top 40 Albums | 26 Nov 2000 | 6 | 23 |
| When You're Looking Like That | Top 40 Singles | 19 Aug 2001 | 8 | 30 |
| Where We Are | Top 40 Albums | 07 Dec 2009 | 6 | 13 |
| World Of Our Own | Top 40 Singles | 24 Mar 2002 | 22 | 6 |
| World Of Our Own | Top 40 Albums | 02 Dec 2001 | 41 | 3 |