| Last year | No 1 hits of the year 1998 | Next year |
| US | UK | |
| 4 Jan 1998 | Something About The Way You Look Tonight / Candle In The Wind 1997 (Elton John) |
Too Much (Spice Girls) |
| 11 Jan 1998 | Something About The Way You Look Tonight / Candle In The Wind 1997 (Elton John) |
Perfect Day (Various Artists) |
| 18 Jan 1998 | Truly Madly Deeply (Savage Garden) |
Never Ever (All Saints) |
| 25 Jan 1998 | Truly Madly Deeply (Savage Garden) |
All Around The World (Oasis) |
| 01 Feb 1998 | Together Again (Janet Jackson) |
You Make Me Wanna (Usher) |
| 08 Feb 1998 | Together Again (Janet Jackson) |
Doctor Jones (Aqua) |
| 15 Feb 1998 | Nice & Slow (Usher) |
Doctor Jones (Aqua) |
| 22 Feb 1998 | Nice & Slow (Usher) |
My Heart Will Go On (Celine Dion) |
| 01 Mar 1998 | My Heart Will Go On (Celine Dion) |
Brimful Of Asha (Cornershop) |
| 08 Mar 1998 | My Heart Will Go On (Celine Dion) |
Frozen (Madonna) |
| 15 Mar 1998 | Gettin' Jiggy Wit It (Will Smith) |
My Heart Will Go On (Celine Dion) |
| 22 Mar 1998 | Gettin' Jiggy Wit It (Will Smith) |
It's Like That (Run DMC vs Jason Nevins) |
| 29 Mar 1998 | Gettin' Jiggy Wit It (Will Smith) |
It's Like That (Run DMC vs Jason Nevins) |
| 05 Apr 1998 | All My Life (K-Ci & Jojo) |
It's Like That (Run DMC vs Jason Nevins) |
| 12 Apr 1998 | All My Life (K-Ci & Jojo) |
It's Like That (Run DMC vs Jason Nevins) |
| 19 Apr 1998 | All My Life (K-Ci & Jojo) |
It's Like That (Run DMC vs Jason Nevins) |
| 26 Apr 1998 | Too Close (Next) |
It's Like That (Run DMC vs Jason Nevins) |
| 03 May 1998 | Too Close (Next) |
All That I Need (Boyzone) |
| 10 May 1998 | Too Close (Next) |
Under The Bridge / Lady Marmalade (All Saints) |
| 17 May 1998 | Too Close (Next) |
Turn Back Time (Aqua) |
| 24 May 1998 | My All (Mariah Carey) |
Under The Bridge / Lady Marmalade (All Saints) |
| 31 May 1998 | Too Close (Next) |
Feel It (The Tamperer featuring Maya) |
| 07 Jun 1998 | The Boy Is Mine (Brandy & Monica) |
C'Est La Vie (B*witched) |
| 14 Jun 1998 | The Boy Is Mine (Brandy & Monica) |
C'Est La Vie (B*witched) |
| 21 Jun 1998 | The Boy Is Mine (Brandy & Monica) |
Three Lions ' 98 (Baddiel, Skinner & the Lightning Seeds) |
| 28 Jun 1998 | The Boy Is Mine (Brandy & Monica) |
Three Lions ' 98 (Baddiel, Skinner & the Lightning Seeds) |
| 05 Jul 1998 | The Boy Is Mine (Brandy & Monica) |
Three Lions ' 98 (Baddiel, Skinner & the Lightning Seeds) |
| 12 Jul 1998 | The Boy Is Mine (Brandy & Monica) |
Because We Want To (Billie) |
| 19 Jul 1998 | The Boy Is Mine (Brandy & Monica) |
Freak Me (Another Level) |
| 26 Jul 1998 | The Boy Is Mine (Brandy & Monica) |
Deeper Underground (Jamiroquai) |
| 02 Aug 1998 | The Boy Is Mine (Brandy & Monica) |
Viva Forever (Spice Girls) |
| 09 Aug 1998 | The Boy Is Mine (Brandy & Monica) |
Viva Forever (Spice Girls) |
| 16 Aug 1998 | The Boy Is Mine (Brandy & Monica) |
No Matter What (Boyzone) |
| 23 Aug 1999 | The Boy Is Mine (Brandy & Monica) |
No Matter What (Boyzone) |
| 30 Aug 1998 | The Boy Is Mine (Brandy & Monica) |
No Matter What (Boyzone) |
| 06 Sep 1998 | I Don't Want To Miss A Thing (Aerosmith) |
If You Tolerate This Your Children Will Next (Manic Street Preachers) |
| 13 Sep 1998 | I Don't Want To Miss A Thing (Aerosmith) |
Bootle Call (All Saints) |
| 20 Sep 1998 | I Don't Want To Miss A Thing (Aerosmith) |
Millennium (Robbie Williams) |
| 27 Sep 1998 | I Don't Want To Miss A Thing (Aerosmith) |
I want you back (Melanie B. featuring Missy 'Misdemeanor' Elliott) |
| 04 Oct 1998 | The First Night (Monica) |
Rollercoaster (B*Witched) |
| 11 Oct 1998 | The First Night (Monica) |
Rollercoaster (B*Witched) |
| 18 Oct 1998 | One Week (Barenaked Ladies) |
Girlfriend (Billie) |
| 25 Oct 1998 | The First Night (Monica) |
Gym And Tonic (Spacedust) |
| 01 Nov 1998 | The First Night (Monica) |
Believe (Cher) |
| 08 Nov 1998 | The First Night (Monica) |
Believe (Cher) |
| 15 Nov 1998 | Doo Wop (That Thing) (Lauryn Hill) |
Believe (Cher) |
| 22 Nov 1998 | Doo Wop (That Thing) (Lauryn Hill) |
Believe (Cher) |
| 29 Nov 1998 | Lately (Divine) |
Believe (Cher) |
| 05 Dez 1998 | I'm Your Angel (Celine Dion & R.Kelly) |
Believe (Cher) |
| 12 Dez 1998 | I'm Your Angel (Celine Dion & R.Kelly) |
Believe (Cher) |
| 19 Dez 1998 | I'm Your Angel (Celine Dion & R.Kelly) |
To you I belong (B*Witched) |
| 26 Dez 1998 | I'm Your Angel (Celine Dion & R.Kelly) |
Goodbye (Spice Girls) |