| Season | 1980 |
|---|---|
←1979 1981 → | |
Statistics ofJapan Soccer League for the 1980 season. For the first time ever, automatic promotion and relegation was introduced for the first and last places of the Second Division, which means that the last place in the First Division went down.
Yanmar Diesel won the title for a fourth time.
Nissan, who had saved itself from relegation in the playout the previous season, went down after the bottom place was granted automatic relegation, while Yamaha saved itself by beating Fujitsu in the playout.
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification or relegation |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Yanmar Diesel | 18 | 13 | 4 | 1 | 29 | 13 | +16 | 30 | Champions |
| 2 | Fujita Engineering | 18 | 10 | 3 | 5 | 33 | 19 | +14 | 23 | |
| 3 | Furukawa Electric | 18 | 9 | 4 | 5 | 26 | 21 | +5 | 22 | |
| 4 | Mitsubishi Motors | 18 | 7 | 6 | 5 | 24 | 20 | +4 | 20 | |
| 5 | Hitachi | 18 | 8 | 3 | 7 | 32 | 28 | +4 | 19 | |
| 6 | Yomiuri | 18 | 8 | 1 | 9 | 37 | 29 | +8 | 17 | |
| 7 | Toyo Kogyo | 18 | 6 | 3 | 9 | 22 | 26 | −4 | 15 | |
| 8 | Nippon Steel | 18 | 6 | 3 | 9 | 21 | 27 | −6 | 15 | |
| 9 | Yamaha Motors | 18 | 5 | 3 | 10 | 28 | 39 | −11 | 13 | To promotion/relegation Series |
| 10 | Nissan | 18 | 2 | 2 | 14 | 11 | 41 | −30 | 6 | Relegated to Second Division |
| JSL Division 1 | 1st leg | 2nd leg | JSL Division 2 |
|---|---|---|---|
| Yamaha Motors | 1-0 | 1-1 | Fujitsu |
Honda was finally promoted on the second attempt after the 1978 debacle.
Kofu Club saved itself from relegation by defeating Furukawa Electric Chiba, Furukawa's B-team. Cosmo Oil Yokkaichi fell through and went back to the Tokai regional league.
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Promotion or relegation |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Honda | 18 | 13 | 2 | 3 | 43 | 17 | +26 | 28 | Promoted to First Division |
| 2 | Fujitsu | 18 | 10 | 5 | 3 | 45 | 12 | +33 | 25 | To promotion/relegation Series with First Division |
| 3 | Toshiba | 18 | 8 | 6 | 4 | 30 | 17 | +13 | 22 | |
| 4 | Nippon Kokan | 18 | 7 | 6 | 5 | 23 | 17 | +6 | 20 | |
| 5 | Toyota Motors | 18 | 7 | 4 | 7 | 29 | 34 | −5 | 18 | |
| 6 | Tanabe Pharmaceuticals | 18 | 6 | 5 | 7 | 15 | 22 | −7 | 17 | |
| 7 | Teijin Matsuyama | 18 | 7 | 3 | 8 | 20 | 24 | −4 | 17 | |
| 8 | Sumitomo | 18 | 4 | 5 | 9 | 22 | 33 | −11 | 13 | |
| 9 | Kofu Club | 18 | 4 | 2 | 12 | 17 | 33 | −16 | 10 | To promotion/relegation Series with Regional Series |
| 10 | Daikyo Oil | 18 | 5 | 0 | 13 | 27 | 46 | −19 | 10 | Relegated to Regional Leagues |
| JSL | 1st leg | 2nd leg | Regional Series |
|---|---|---|---|
| Kofu Club | 1-2 | 4-1 | Furukawa Electric Chiba (runner-up) |