Berikut Statistik J.League di musim 1998. Diikuti oleh 18 tim, dan pada akhir musim Kashima Antlers menjadi juara dan Consadole Sapporo turun ke liga baru J.League Divisi 2.
Putaran pertama
| Pos. | Team | Main | M | MPW | MAP | KPW | KAP | K | GF | GA | GD | Pts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Júbilo Iwata |
17 | 13 | 0 | 0 | 0 | 0 | 4 | 52 | 18 | +34 | 39 |
| 2 | Shimizu S-Pulse |
17 | 13 | 0 | 0 | 0 | 0 | 4 | 32 | 14 | +18 | 39 |
| 3 |  Nagoya Grampus Eight |
17 | 9 | 3 | 0 | 0 | 1 | 4 | 37 | 21 | +16 | 33 |
| 4 |  Yokohama Marinos |
17 | 10 | 1 | 0 | 1 | 0 | 5 | 39 | 21 | +18 | 32 |
| 5 |  Kashima Antlers |
17 | 10 | 1 | 0 | 0 | 0 | 6 | 41 | 28 | +13 | 32 |
| 6 |  Verdy Kawasaki |
17 | 10 | 0 | 0 | 1 | 1 | 5 | 34 | 25 | +9 | 30 |
| 7 |  Urawa Red Diamonds |
17 | 8 | 1 | 2 | 1 | 0 | 5 | 30 | 23 | +7 | 28 |
| 8 | Yokohama Flügels |
17 | 7 | 2 | 1 | 0 | 0 | 7 | 33 | 32 | +1 | 26 |
| 9 |  Cerezo Osaka |
17 | 7 | 1 | 0 | 1 | 0 | 8 | 36 | 47 | −11 | 23 |
| 10 |  Kashiwa Reysol |
17 | 6 | 1 | 2 | 1 | 0 | 7 | 32 | 35 | −3 | 22 |
| 11 | JEF United Ichihara |
17 | 7 | 0 | 0 | 2 | 0 | 8 | 31 | 31 | 0 | 21 |
| 12 | Bellmare Hiratsuka |
17 | 5 | 2 | 1 | 1 | 0 | 8 | 27 | 34 | −7 | 20 |
| 13 |  Sanfrecce Hiroshima |
17 | 5 | 2 | 0 | 2 | 1 | 7 | 22 | 33 | −11 | 19 |
| 14 | Gamba Osaka |
17 | 4 | 2 | 1 | 1 | 0 | 9 | 27 | 29 | −2 | 17 |
| 15 |  Kyoto Purple Sanga |
17 | 4 | 2 | 0 | 3 | 0 | 8 | 20 | 33 | −13 | 16 |
| 16 |  Consadole Sapporo |
17 | 3 | 1 | 0 | 2 | 3 | 8 | 28 | 44 | −16 | 11 |
| 17 |  Vissel Kobe |
17 | 3 | 0 | 0 | 1 | 0 | 13 | 20 | 48 | −28 | 9 |
| 18 |  Avispa Fukuoka |
17 | 2 | 0 | 1 | 2 | 2 | 10 | 22 | 47 | −25 | 7 |
Putaran kedua
| Pos. | Team | Main | M | MPW | MAP | KPW | KAP | K | GF | GA | GD | Pts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kashima Antlers | 17 | 12 | 3 | 0 | 0 | 0 | 2 | 38 | 15 | +23 | 42 |
| 2 | Júbilo Iwata | 17 | 13 | 0 | 0 | 1 | 0 | 3 | 55 | 21 | +34 | 39 |
| 3 | Urawa Red Diamonds | 17 | 11 | 0 | 0 | 2 | 0 | 4 | 32 | 17 | +15 | 33 |
| 4 | Yokohama Marinos | 17 | 10 | 1 | 0 | 3 | 0 | 3 | 40 | 27 | +13 | 32 |
| 5 | Shimizu S-Pulse | 17 | 8 | 3 | 1 | 0 | 1 | 4 | 39 | 21 | +18 | 31 |
| 6 | Nagoya Grampus Eight | 17 | 9 | 1 | 1 | 1 | 0 | 5 | 34 | 26 | +8 | 30 |
| 7 | Yokohama Flügels | 17 | 8 | 0 | 1 | 0 | 0 | 8 | 37 | 32 | +5 | 25 |
| 8 | Kashiwa Reysol | 17 | 8 | 0 | 1 | 1 | 1 | 6 | 24 | 26 | −2 | 25 |
| 9 | Sanfrecce Hiroshima | 17 | 7 | 1 | 1 | 1 | 1 | 6 | 23 | 19 | +4 | 24 |
| 10 | Consadole Sapporo | 17 | 8 | 0 | 0 | 1 | 1 | 7 | 29 | 30 | −1 | 24 |
| 11 | Kyoto Purple Sanga | 17 | 6 | 2 | 1 | 0 | 0 | 8 | 27 | 30 | −3 | 23 |
| 12 | Bellmare Hiratsuka | 17 | 7 | 0 | 1 | 0 | 0 | 9 | 26 | 32 | −6 | 22 |
| 13 | Cerezo Osaka | 17 | 7 | 0 | 0 | 0 | 1 | 9 | 20 | 32 | −12 | 21 |
| 14 | Vissel Kobe | 17 | 5 | 0 | 1 | 1 | 0 | 10 | 25 | 41 | −16 | 16 |
| 15 | Avispa Fukuoka | 17 | 4 | 1 | 0 | 0 | 0 | 12 | 11 | 38 | −27 | 14 |
| 16 | Gamba Osaka | 17 | 3 | 2 | 0 | 0 | 1 | 11 | 20 | 32 | −12 | 13 |
| 17 | Verdy Kawasaki | 17 | 3 | 0 | 0 | 1 | 1 | 12 | 13 | 28 | −15 | 9 |
| 18 | JEF United Ichihara | 17 | 1 | 0 | 1 | 2 | 1 | 12 | 18 | 44 | −26 | 4 |
Playoff
Suntory Championship
November 21, 1998
Time
Time
| Júbilo Iwata | 1 – 2 | Kashima Antlers |
|---|---|---|
Nakayama  7' |
[Official Report] | Hasegawa 72' Muroi 110' |
Kokuritsu, Tokyo
November 28, 1998
Time
Time
| Kashima Antlers | 2 – 1 | Júbilo Iwata |
|---|---|---|
| Akita 39' Bismarck 41' |
[Official Report] | Fujita 84' |
Degredasi
Putaran pertama
November 19, 1998
Time
Time
| Avispa Fukuoka | 3–2 (AET) | Kawasaki Frontale |
|---|---|---|
| Kudo 24' Yamashita 89' Fernando 104' (golden goal) |
[Official Report] | Ito 17' Ruschel 61' |
Kawasaki membentuk J.League Divisi 2 musim berikutnya. Sedangkan Fukuoka maju ke putaran berikutnya.
Putaran kedua
Pemenang dari putaran ini akan tetap di J.League Divisi 1 dan yang kalah akan memainkan babak eliminasi akhir untuk menentukan klub yang akan terdegradasi ke Divisi 2.
November 22, 1998
Time
Time
| Vissel Kobe | 2–1 | Consadole Sapporo |
|---|---|---|
| Nagashima 34' (pen.) Kaimoto 41' |
[Official Report] | Tanada 50' |
November 26, 1998
Time
Time
| Consadole Sapporo | 0–2 | Vissel Kobe |
|---|---|---|
| [Official Report] | Tomàs 48' Watada 89' |
Muroran City Stadium, Muroran
November 26, 1998
Time
Time
| JEF United Ichihara | 2–1 | Avispa Fukuoka |
|---|---|---|
| Suzuki 49' Sakai 60' |
[Official Report] | Mori 63' |
Putaran akhir
December 2, 1998
Time
Time
| Avispa Fukuoka | 1–0 | Consadole Sapporo |
|---|---|---|
| Ueno 61' |
[Official Report] |
December 5, 1998
Time
Time
| Consadole Sapporo | 0–3 | Avispa Fukuoka |
|---|---|---|
| [Official Report] | Ueno 52' Fernando 84'Ishimaru 89' |
Muroran City Stadium
Fukuoka tetap di J.League Divisi 1. Sapporo turunk ke J.League Divisi 2 yang baru
Penghargaan
Penghargaan individu
Best eleven
| Pos | Footballer | Club | Nationality |
|---|---|---|---|
| GK | Seigo Narazaki | Yokohama Flügels |  Jepang |
| DF | Naoki Soma | Kashima Antlers | Jepang |
| DF | Makoto Tanaka | Júbilo Iwata | Jepang |
| DF | Yutaka Akita | Kashima Antlers | Jepang |
| MF | Shinji Ono | Urawa Red Diamonds | Jepang |
| MF | Daisuke Oku | Júbilo Iwata | Jepang |
| MF | Toshiya Fujita | Júbilo Iwata | Jepang |
| MF | Hiroshi Nanami | Júbilo Iwata | Jepang |
| MF | Dunga | Júbilo Iwata |  Brasil |
| FW | Masashi Nakayama | Júbilo Iwata | Jepang |
| FW | Atsushi Yanagisawa | Kashima Antlers | Jepang |